9: The Price Puzzle — What Drives the Market
80 MCQs | 30
Short Answer (3 Marks) | 30 Long Answer | 20
Assertion–Reason — all with answers
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SECTION A — MULTIPLE CHOICE QUESTIONS |
Q1. Which of the following best defines
demand?
(a) Desire to buy a
good (b) Quantity willing and able to
buy at a price (c) Quantity available
for sale (d) Total production of a
good
Answer:
(b) Quantity willing and able to buy at a price
Q2. The Law of Demand shows a relationship
between price and quantity demanded that is:
(a) Direct (b) Inverse (c) No relationship (d) Proportional only
Answer:
(b) Inverse
Q3. When the price of mangoes fell from
₹150 to ₹50, Srivalli's demand:
(a) Fell from 3 kg to 1
kg (b) Rose from 1 kg to 3 kg (c) Remained the same (d) Became zero
Answer:
(b) Rose from 1 kg to 3 kg
Q4. A demand curve generally slopes:
(a) Upward from left to
right (b) Downward from left to
right (c) Horizontal (d) Vertical
Answer:
(b) Downward from left to right
Q5. Market demand is:
(a) Demand of the
richest consumer (b) Sum of
individual demands of all buyers (c)
Demand fixed by government (d)
Average of all demands
Answer:
(b) Sum of individual demands of all buyers
Q6. The market demand curve, compared to
an individual's demand curve, is:
(a) Steeper (b) Flatter (c) Identical (d) Vertical
Answer:
(b) Flatter
Q7. Tea and coffee are examples of:
(a) Complementary
goods (b) Substitute goods (c) Public goods (d) Inferior goods
Answer:
(b) Substitute goods
Q8. Smartphones and earphones are examples
of:
(a) Substitute
goods (b) Complementary goods (c)
Normal goods (d) Giffen goods
Answer:
(b) Complementary goods
Q9. If the price of coffee rises while
tea's price stays the same, demand for tea will:
(a) Fall (b) Increase (c) Remain unchanged (d) Become zero
Answer:
(b) Increase
Q10. If movie tickets become expensive,
demand for popcorn in cinema halls will likely:
(a) Increase (b) Fall (c) Stay the same (d) Double
Answer:
(b) Fall
Q11. A rise in income generally causes
demand for a normal good to:
(a) Fall (b) Rise (c) Stay constant (d) Become negative
Answer:
(b) Rise
Q12. Diminishing marginal utility explains
why:
(a) Prices always
rise (b) Additional satisfaction from
consuming more units falls (c) Supply
increases with price (d) Demand curves
slope upward
Answer:
(b) Additional satisfaction from consuming more units falls
Q13. Demand for sweaters rising in winter
is an example of:
(a) Income effect (b) Seasonality (c) Substitution effect (d) Monopoly
Answer:
(b) Seasonality
Q14. If consumers expect prices to fall in
the future, they will:
(a) Buy immediately (b) Postpone the purchase (c) Stop buying forever (d) Demand rises immediately
Answer:
(b) Postpone the purchase
Q15. People buying durables before Diwali
expecting festival discounts illustrates:
(a) Diminishing marginal
utility (b) Future price
expectations (c) Seasonality (d) Monopoly
Answer:
(b) Future price expectations
Q16. Which of these is NOT a determinant of
demand?
(a) Income (b) Taste and preference (c) Technology of production (d) Price of related goods
Answer:
(c) Technology of production
Q17. Which factor affects demand due to the
population's characteristics?
(a) Technology (b) Composition of population (c) Number of sellers (d) Price ceiling
Answer:
(b) Composition of population
Q18. The Law of Supply shows a __
relationship between price and quantity supplied.
(a) Inverse (b) Direct (c) No relation (d) Negative
Answer:
(b) Direct
Q19. As price rises, quantity supplied
generally:
(a) Falls (b) Increases (c) Remains constant (d) Becomes zero
Answer:
(b) Increases
Q20. Individual supply refers to:
(a) Quantity offered by
a single seller at different prices (b)
Total goods produced in the economy
(c) Demand of one consumer (d)
Government-fixed supply
Answer:
(a) Quantity offered by a single seller at different prices
Q21. Market supply is the:
(a) Supply by the
largest seller (b) Sum of individual
supplies of all sellers (c) Supply
fixed by government (d) Demand of all
buyers
Answer:
(b) Sum of individual supplies of all sellers
Q22. A farmer growing more chickpeas when
chickpea prices rise (wheat price constant) shows the effect of:
(a) Technology (b) Price of related goods on supply (c) Taste (d) Future expectations
Answer:
(b) Price of related goods on supply
Q23. More sellers entering a market due to
competition generally:
(a) Decreases market
supply (b) Increases market
supply (c) Has no effect (d) Causes a monopoly
Answer:
(b) Increases market supply
Q24. Improved technology in production
tends to:
(a) Reduce cost of
production and increase supply (b)
Increase cost of production (c) Decrease
supply (d) Have no effect on supply
Answer:
(a) Reduce cost of production and increase supply
Q25. Potato wholesalers holding back stock,
expecting a price rise, illustrates:
(a) Technology
effect (b) Future expectations
affecting supply (c) Price ceiling (d) Diminishing marginal utility
Answer:
(b) Future expectations affecting supply
Q26. Which of these is NOT a determinant of
supply?
(a) Technology (b) Number of sellers (c) Taste and preference of the buyer (d) Price of related goods
Answer:
(c) Taste and preference of the buyer
Q27. Market equilibrium occurs when:
(a) Qd > Qs (b) Qd < Qs (c) Qd = Qs (d) Qd = 0
Answer:
(c) Qd = Qs
Q28. At a price below equilibrium, the
market experiences:
(a) Excess supply (b) Excess demand (c) No change (d) A price ceiling
Answer:
(b) Excess demand
Q29. At a price above equilibrium, the
market experiences:
(a) Excess demand (b) A shortage (c) Excess supply (d) Perfect equilibrium
Answer:
(c) Excess supply
Q30. Excess demand generally causes price
to:
(a) Fall (b) Rise (c) Remain stable (d) Become zero
Answer:
(b) Rise
Q31. Excess supply generally causes price
to:
(a) Rise (b) Fall (c) Remain stable (d) Double
Answer:
(b) Fall
Q32. In the mango market example (Table
9.3), the equilibrium price was:
(a) ₹40 (b) ₹100 (c) ₹150 (d) ₹50
Answer:
(b) ₹100
Q33. At equilibrium, the market is said to
be:
(a) Collapsed (b) Cleared (c) Regulated (d) Monopolised
Answer:
(b) Cleared
Q34. Which statement about real-world
market equilibrium is TRUE?
(a) It is permanent and
never changes (b) It is dynamic and
constantly adjusting (c) It never
exists at all (d) It is fixed by the
government always
Answer:
(b) It is dynamic and constantly adjusting
Q35. During COVID-19, the price of face
masks rose sharply mainly because:
(a) Supply increased
suddenly (b) Demand surged and supply
could not immediately catch up (c)
Government fixed a high price (d)
Masks became a public good
Answer:
(b) Demand surged and supply could not immediately catch up
Q36. Hotel room tariffs changing with
season and demand illustrate:
(a) Static markets (b) Dynamic markets (c) Public goods (d) A price floor
Answer:
(b) Dynamic markets
Q37. A price ceiling is a
government-imposed:
(a) Minimum price (b) Maximum price (c) Average price (d) Tax
Answer:
(b) Maximum price
Q38. A price floor is a government-imposed:
(a) Minimum price (b) Maximum price (c) Discount (d) Subsidy
Answer:
(a) Minimum price
Q39. For a price floor to be effective, it
must be set:
(a) Below the
equilibrium price (b) Above the
equilibrium price (c) Equal to the
equilibrium price (d) At zero
Answer:
(b) Above the equilibrium price
Q40. For a price ceiling to be effective,
it must be set:
(a) Above the
equilibrium price (b) Below the
equilibrium price (c) Equal to the
equilibrium price (d) It does not
matter
Answer:
(b) Below the equilibrium price
Q41. Minimum wage laws are an example of:
(a) A price ceiling (b) A price floor (c) Monopoly regulation (d) Public good provision
Answer:
(b) A price floor
Q42. Capping the price of essential
medicines is an example of:
(a) A price floor (b) A price ceiling (c) Subsidy removal (d) Creating a monopoly
Answer:
(b) A price ceiling
Q43. A monopoly refers to a market
structure with:
(a) Many sellers
competing (b) A single seller
controlling the entire supply (c)
Government as the only buyer (d) Free
entry of firms
Answer:
(b) A single seller controlling the entire supply
Q44. Which regulator oversees banking in
India?
(a) SEBI (b) TRAI (c) RBI
(d) CCPA
Answer:
(c) RBI
Q45. Which regulator oversees
telecommunications in India?
(a) SEBI (b) TRAI (c) RBI
(d) CCPA
Answer:
(b) TRAI
Q46. Which regulator oversees the
securities market in India?
(a) SEBI (b) TRAI (c) RBI
(d) CCPA
Answer:
(a) SEBI
Q47. The Central Consumer Protection
Authority (CCPA) mainly deals with:
(a) Securities
trading (b) Violation of consumer
rights and unfair trade practices (c)
Banking regulation (d) Foreign trade
Answer:
(b) Violation of consumer rights and unfair trade practices
Q48. Public goods are characterised by:
(a) High profitability
for private firms (b) Benefit to all
citizens, usually provided by government
(c) Availability only to the rich
(d) Being supplied only by monopolies
Answer:
(b) Benefit to all citizens, usually provided by government
Q49. Roads, bridges, and streetlighting are
examples of:
(a) Private goods (b) Public goods (c) Inferior goods (d) Substitute goods
Answer:
(b) Public goods
Q50. The 'free-rider' problem refers to:
(a) People avoiding
paying for a public good since they can use it free (b) Government reducing taxes (c) Consumers boycotting a good (d) Sellers giving free samples
Answer:
(a) People avoiding paying for a public good since they can use it free
Q51. Which Act was used to declare
sanitisers an essential commodity during COVID-19?
(a) Consumer Protection
Act (b) Essential Commodities Act,
1955 (c) Companies Act (d) Competition Act
Answer:
(b) Essential Commodities Act, 1955
Q52. Hoarding refers to:
(a) Selling goods at a
loss (b) Accumulating goods beyond
immediate need, fearing shortage or price rise (c) Government control of prices (d) Donating goods to charity
Answer:
(b) Accumulating goods beyond immediate need, fearing shortage or price rise
Q53. Black marketing refers to:
(a) Legal trade of
goods (b) Illegal trade of
goods/services that are banned or price-regulated (c) Trading only in stock markets (d) Government-approved trade
Answer:
(b) Illegal trade of goods/services that are banned or price-regulated
Q54. Excessive government regulation can
lead to:
(a) Increased
innovation (b) Reduced producer
incentives and higher compliance burdens
(c) Always lower prices (d)
Elimination of all monopolies
Answer:
(b) Reduced producer incentives and higher compliance burdens
Q55. A price fixed by the government below
the market level tends to:
(a) Increase producer
motivation (b) Reduce producer
motivation, leading to shortages (c)
Have no effect on production (d)
Eliminate demand entirely
Answer:
(b) Reduce producer motivation, leading to shortages
Q56. 'Ease of doing business' is most
affected by:
(a) Weather conditions
only (b) Regulations, licenses, and
compliance procedures (c) Consumer
taste only (d) Diminishing marginal
utility
Answer:
(b) Regulations, licenses, and compliance procedures
Q57. Which of these is a substitute good
pair?
(a) Car and petrol (b) Tea and coffee (c) Pen and notebook (d) Printer and cartridge
Answer:
(b) Tea and coffee
Q58. Which of these is a complementary good
pair?
(a) Apple and
banana (b) AC and cooler (c) Car and petrol (d) Laptop and desktop computer
Answer:
(c) Car and petrol
Q59. If the price of a substitute good
rises, demand for the other related good tends to:
(a) Fall (b) Rise (c) Stay constant (d) Become zero
Answer:
(b) Rise
Q60. If the price of a complementary good
rises, demand for the related good tends to:
(a) Rise (b) Fall (c) Stay constant (d) Double
Answer:
(b) Fall
Q61. Purchasing power is best described as:
(a) The ability to sell
goods (b) How much a unit of currency
can buy at a given time (c)
Government tax revenue (d) Profit
margin of a firm
Answer:
(b) How much a unit of currency can buy at a given time
Q62. Revenue is defined as:
(a) Profit after all
expenses (b) Total money earned from
sale of goods/services before expenses
(c) Cost of production (d)
Government tax collected
Answer:
(b) Total money earned from sale of goods/services before expenses
Q63. A downward-sloping demand curve
reflects:
(a) The Law of
Supply (b) The Law of Demand (c) Market equilibrium (d) A price floor
Answer:
(b) The Law of Demand
Q64. An upward-sloping supply curve
reflects:
(a) The Law of
Demand (b) The Law of Supply (c) A price ceiling (d) Diminishing marginal utility
Answer:
(b) The Law of Supply
Q65. In a demand-supply graph, the point
where DD′ and SS′ intersect is called:
(a) Excess demand (b) The equilibrium point (c) A price floor (d) A monopoly point
Answer:
(b) The equilibrium point
Q66. If quantity demanded (12 kg) equals
quantity supplied (12 kg) at ₹100, this represents:
(a) Excess demand (b) Excess supply (c) Market equilibrium (d) A shortage
Answer:
(c) Market equilibrium
Q67. Bookshops getting crowded at the start
of a new academic session shows the effect of:
(a) Technology (b) Seasonality on demand (c) Monopoly (d) A price floor
Answer:
(b) Seasonality on demand
Q68. Sweet shops seeing higher footfall
during festivals illustrates:
(a) Taste and preference
only (b) Seasonality (c) Government regulation (d) Diminishing marginal utility
Answer:
(b) Seasonality
Q69. Government fixing a Minimum Support
Price (MSP) for crops is an example of:
(a) A price ceiling (b) A price floor (c) A public good (d) A monopoly
Answer:
(b) A price floor
Q70. During online festival sales, sellers
lower prices mainly to:
(a) Reduce their own
revenue (b) Increase quantity sold
and clear inventory (c) Create a
monopoly (d) Increase government tax
Answer:
(b) Increase quantity sold and clear inventory
Q71. Fast fashion demand and overfishing
causing resource depletion highlight concerns about:
(a) Price floors (b) Long-term sustainability of
supply (c) Public goods only (d) Diminishing marginal utility
Answer:
(b) Long-term sustainability of supply
Q72. Which best describes a
monopoly-related concern discussed in the chapter?
(a) Many competing
sellers charging low prices (b) A
single/few sellers charging higher prices and restricting supply (c) Government providing free goods (d) Increase in number of sellers
Answer:
(b) A single/few sellers charging higher prices and restricting supply
Q73. The correct market adjustment during
excess demand is:
(a) Price rises →
Qd falls → Qs rises →
equilibrium restored (b) Price falls →
shortage worsens (c) Supply
disappears (d) Demand becomes zero
Answer:
(a) Price rises → Qd falls → Qs rises → equilibrium restored
Q74. The correct market adjustment during
excess supply is:
(a) Price rises
further (b) Price falls →
Qd rises → Qs falls →
equilibrium restored (c) Supply
increases further (d) Demand
disappears
Answer:
(b) Price falls → Qd rises → Qs falls → equilibrium restored
Q75. Why do tomato prices often fall by
evening in vegetable markets?
(a) Government price
ceiling (b) Sellers try to clear
perishable stock before closing (c)
Demand suddenly increases (d) Supply
is completely fixed
Answer:
(b) Sellers try to clear perishable stock before closing
Q76. If petrol cars become costlier to run,
demand for diesel cars (a substitute) will likely:
(a) Reduce (b) Increase (c) Have no change (d) Become zero
Answer:
(b) Increase
Q77. Government intervention is most
justified when:
(a) Markets always work
fairly for everyone (b) Essential goods become unaffordable for
vulnerable groups (c) There is no
need for regulation ever (d)
Monopolies always benefit consumers
Answer:
(b) Essential goods become unaffordable for vulnerable groups
Q78. Which of the following is TRUE about
demand and supply curves together?
(a) Both slope in the
same direction (b) Demand slopes
downward, supply slopes upward (c)
Demand slopes upward, supply slopes downward
(d) Both are always vertical
Answer:
(b) Demand slopes downward, supply slopes upward
Q79. The chapter's central idea is that
prices in a market are determined by:
(a) Government
alone (b) Interaction of demand and
supply (c) Sellers alone (d) Buyers alone
Answer:
(b) Interaction of demand and supply
Q80. Which of these is a limitation of
excessive government intervention?
(a) Improved ease of
doing business (b) Discourages
innovation and entrepreneurship (c)
Increased producer incentives (d)
Elimination of all market failures
Answer:
(b) Discourages innovation and entrepreneurship
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SECTION B — SHORT ANSWER QUESTIONS |
Answer:
a)
Demand is the
quantity of a product that people are willing and able to buy at a particular
price.
b)
The Law of Demand
states that, other factors constant, quantity demanded falls as price rises and
rises as price falls (inverse relation).
c)
Example: When mango
price fell from ₹150 to ₹50, Srivalli's demand rose from 1 kg to 3 kg.
Q2. Distinguish between individual demand
and market demand.
Answer:
a)
Individual demand
is the quantity one consumer wants to buy at different prices, other factors
constant.
b)
Market demand is
the sum of individual demands of all buyers in the market at each price.
c)
The market demand
curve is flatter than an individual demand curve because it aggregates many
buyers' responses.
Q3. Explain any three determinants of
demand other than price.
Answer:
a)
Income: A rise in
income raises demand for normal goods as purchasing power increases.
b)
Taste and
preference: Personal likes/dislikes affect demand regardless of price (e.g.,
preferring mangoes over cheaper oranges).
c)
Seasonality: Demand
changes with weather/festivals, e.g., sweaters in winter, sweets during
festivals.
Q4. What are substitute goods? Give two
examples.
Answer:
a)
Substitute goods
are goods that can replace each other in consumption.
b)
If the price of one
substitute rises, demand for the other (relatively cheaper) good increases.
c)
Examples: tea and
coffee; mangoes and bananas.
Q5. What are complementary goods? Give two
examples.
Answer:
a)
Complementary goods
are used together to provide utility to the consumer.
b)
A change in demand
for one affects demand for the other, even if its own price is unchanged.
c)
Examples: printer
and cartridge; movie ticket and popcorn.
Q6. Explain the concept of diminishing
marginal utility with an example.
Answer:
a)
Diminishing
marginal utility means the additional satisfaction from consuming successive
units of a good keeps falling.
b)
As utility falls,
the buyer's willingness to pay for further units also decreases, reducing
demand.
c)
Example: the
enjoyment from eating the first mango is high, but falls with the second, third
mango, and so on.
Q7. State the Law of Supply and explain
the logic behind it.
Answer:
a)
The Law of Supply
states that quantity supplied rises as price rises, and falls as price falls
(direct relation).
b)
Higher prices
increase profitability for producers, encouraging them to supply more.
c)
Higher prices also
attract new firms into the market, raising overall supply.
Q8. Distinguish between individual supply
and market supply.
Answer:
a)
Individual supply
is the quantity one seller offers at different prices.
b)
Market supply is
the sum of individual supplies of all sellers in the market.
c)
Market supply, when
plotted, gives an upward-sloping market supply curve.
Q9. Explain any three determinants of
supply other than price.
Answer:
a)
Price of related
goods: A farmer may shift to a more profitable crop (e.g., chickpeas over
wheat) if its price rises.
b)
Technology: Better
technology (e.g., drip irrigation) lowers cost of production and raises supply.
c)
Number of sellers:
More sellers due to competition raises total market supply.
Q10. What is market equilibrium? How is it
determined?
Answer:
a)
Market equilibrium
is the point where quantity demanded equals quantity supplied (Qd = Qs).
b)
At this point there
is neither excess demand (shortage) nor excess supply (surplus).
c)
Graphically, it is
the point where the demand curve intersects the supply curve.
Q11. What happens when the price is set
below the equilibrium level? Explain.
Answer:
a)
Quantity demanded
becomes greater than quantity supplied at this lower price.
b)
This creates excess
demand, i.e., a shortage in the market.
c)
Competition among
buyers for the limited quantity tends to push the price back up towards
equilibrium.
Q12. What happens when the price is set
above the equilibrium level? Explain.
Answer:
a)
Quantity supplied
becomes greater than quantity demanded at this higher price.
b)
This creates excess
supply, i.e., a surplus in the market.
c)
Sellers competing
to sell unsold stock tend to push the price back down towards equilibrium.
Q13. Does market equilibrium truly exist in
the real world? Explain.
Answer:
a)
In theory,
equilibrium is a single fixed intersection point of demand and supply.
b)
In reality, markets
are dynamic — technology, wages, wars, pandemics and weather constantly change
demand and supply.
c)
So the market is
always adjusting towards a new equilibrium, e.g., mask prices rose then fell
around the COVID-19 pandemic as supply caught up.
Q14. Explain the hotel tariff example of a
dynamic market given in the chapter.
Answer:
a)
The same hotel room
is priced differently depending on demand, season, and special occasions
(₹1,500 to ₹25,000).
b)
Tariffs change with
booking speed, competitors' prices, festivals/events, weather, and days left
before arrival.
c)
This shows how
real-world prices adjust continuously with changing demand and supply
conditions.
Q15. What is a price ceiling? Give an
example.
Answer:
a)
A price ceiling is
a maximum price fixed by the government that sellers cannot legally exceed.
b)
It is used to
prevent overcharging on essential goods.
c)
Example: capping
the retail price of sanitisers at ₹100 for 200 ml bottles during COVID-19.
Q16. What is a price floor? Give an
example.
Answer:
a)
A price floor is a
minimum price/wage fixed by the government below which it cannot be paid.
b)
For it to be
effective, it must be set above the market equilibrium price.
c)
Example: minimum
wages fixed for workers.
Q17. Explain how the government regulates
monopoly power in markets.
Answer:
a)
A monopoly is a
market with a single seller controlling the entire supply, facing no close
substitutes.
b)
Monopolies can
charge higher prices, offer poorer quality, and restrict supply, harming
consumer welfare.
c)
The government
regulates such practices through bodies like RBI, SEBI, TRAI, and CCPA to
ensure transparency.
Q18. What are public goods? Why does the
government provide them?
Answer:
a)
Public goods
(roads, parks, streetlighting, national defence) are provided for the benefit
of all citizens.
b)
Private companies
avoid providing them since they generate no direct profit.
c)
The 'free-rider'
problem means voluntary contributions fail to fund them, so government
provision ensures equal access.
Q19. Explain the free-rider problem using
the neighbourhood park example from the chapter.
Answer:
a)
A park benefits the
whole neighbourhood, but is costly to build through voluntary contribution.
b)
Individuals think
'others will pay and I can use it for free', so they avoid contributing.
c)
As a result,
insufficient funds are collected and the park is never built without government
funding.
Q20. Explain any three limitations of
government intervention in markets.
Answer:
a)
Price distortions:
Prices fixed below market levels reduce producer motivation and can cause
shortages.
b)
Compliance burdens:
Excess licenses/permits raise costs and hurt small businesses' ease of doing
business.
c)
Discourages
innovation: Capped returns reduce incentives to invest in better technology or
inputs.
Q21. How does income affect demand for
goods? Explain with an example.
Answer:
a)
A rise in income
increases a consumer's purchasing power.
b)
Consumers can now
buy more of a good or shift to higher-quality products.
c)
Example: rising
income increases demand for branded or premium goods, even without a price
change.
Q22. Explain the role of future price
expectations in determining demand.
Answer:
a)
If consumers expect
prices to fall in future, they postpone purchases, reducing present demand.
b)
If they expect
prices to rise, they buy immediately, increasing present demand.
c)
Example: people
delay buying durables before Diwali, expecting festival discounts.
Q23. Explain the role of future
expectations in determining supply.
Answer:
a)
If producers expect
demand to rise in future, they increase current production/supply.
b)
If they expect
demand to fall, they reduce production.
c)
Example: potato
wholesalers holding back stock now, expecting higher prices during the peak
season.
Q24. Why does the market demand curve
appear flatter than an individual's demand curve?
Answer:
a)
Market demand
aggregates the responses of many consumers, not just one.
b)
The same price
change therefore produces a much larger total change in quantity demanded.
c)
Example: for the
same price fall (₹150 to ₹50), Srivalli's demand rises by 2 kg but market
demand rises by 12 kg.
Q25. Explain how technological improvement
affects supply, with an example.
Answer:
a)
Better technology
reduces the cost of production for a good.
b)
This allows
producers to supply a larger quantity at the same price.
c)
Example: drip
irrigation and weather sensors raise crop yield and supply; cold storage
increases mango supply to distant markets.
Q26. Give three examples of price-controlled
goods in India and reasons for control.
Answer:
a)
Essential
medicines: capped under the Drug Price Control mechanism, to keep life-saving
medicines affordable.
b)
LPG/kerosene:
subsidised/controlled prices to make cooking fuel affordable for low-income
households.
c)
Foodgrains under
the Public Distribution System (PDS): sold at fixed, subsidised prices to
ensure food security.
Q27. Explain excess demand and excess
supply using the mango market example (₹40, ₹100, ₹150).
Answer:
a)
At ₹40: Qd = 38 kg,
Qs = 6 kg → Qs < Qd →
excess demand.
b)
At ₹100: Qd = 12 kg
= Qs = 12 kg → market equilibrium.
c)
At ₹150: Qd = 8 kg,
Qs = 43 kg → Qs > Qd →
excess supply.
Q28. Why do online festival sale prices
tend to be very low? Explain the effect on equilibrium.
Answer:
a)
Sellers cut prices
to boost quantity demanded sharply and clear inventory.
b)
At the lower price,
quantity demanded rises, so sellers increase the quantity they supply/stock.
c)
A new, temporary
equilibrium is reached at a lower price and much higher quantity, benefiting
both consumers and sellers (through volume).
Q29. Distinguish between a price ceiling
and a price floor.
Answer:
a)
A price ceiling is
a maximum price, set below the equilibrium price, to protect buyers (e.g.,
medicine price cap).
b)
A price floor is a
minimum price, set above the equilibrium price, to protect sellers/workers
(e.g., minimum wage).
c)
Both are forms of
government price control but serve opposite purposes.
Q30. Explain any three regulators of Indian
markets mentioned in the chapter and their roles.
Answer:
a)
RBI (Reserve Bank
of India): regulates the banking sector.
b)
TRAI (Telecom
Regulatory Authority of India): regulates the telecommunications sector.
c)
SEBI (Securities
and Exchange Board of India): regulates the securities market; CCPA protects
consumer rights.
|
SECTION C — LONG ANSWER QUESTIONS |
Answer:
a)
Demand is the
quantity of a good people are willing and able to buy at a price, depending on
needs, preferences, season, trend and income — it combines willingness with
purchasing power.
b)
The Law of Demand
states that, other factors constant, quantity demanded rises as price falls,
and falls as price rises — an inverse relationship.
c)
Example: at the
start of mango season, price was ₹150/kg and Srivalli bought 1 kg; as price
fell to ₹100 she bought 2 kg; at ₹50 she bought 3 kg.
d)
This gives an
individual demand schedule, which plotted on a graph (price on Y-axis, quantity
on X-axis) gives a downward-sloping demand curve DD′.
e)
The downward slope
reflects that as price falls, more consumers can afford the good and existing
buyers are willing to buy more of it.
f)
Thus, the demand
curve is central to understanding how buyers respond to price changes in any
market.
Q2. Discuss in detail the various
determinants of demand for a product, other than its own price.
Answer:
a)
Price of related
goods: substitutes (tea-coffee) — demand for one rises if the other's price
rises; complements (printer-cartridge) — demand for one rises/falls with the
other's demand.
b)
Income of the
consumer: a rise in income raises purchasing power, increasing demand for
normal/higher-quality goods.
c)
Taste and
preference: personal likes determine demand independent of price (e.g.,
preferring mangoes over cheaper oranges).
d)
Population size and
composition: more children raises demand for sports shoes; more working adults
for formal shoes; more elderly for orthopaedic footwear.
e)
Diminishing
marginal utility: satisfaction from each additional unit falls, reducing
willingness to pay for further units.
f)
Seasonality: demand
for sweaters rises in winter, sweets during festivals, notebooks at start of
the academic year — irrespective of price.
g)
Future price
expectations: expecting a price fall postpones purchases; expecting a rise
brings purchases forward (e.g., buying durables before Diwali).
Q3. Explain the Law of Supply and the
concept of individual and market supply with examples.
Answer:
a)
Supply is the
quantity of a product sellers are willing and able to offer at a particular
price.
b)
The Law of Supply
states quantity supplied rises as price rises (direct relationship), because
higher prices raise profitability and attract new firms.
c)
Individual supply
is one seller's quantity offered at different prices, e.g., Seller A offering 1
kg at ₹50, 2 kg at ₹100, 3 kg at ₹150 — giving an upward-sloping individual
supply curve SS′.
d)
Market supply is
the sum of individual supplies of all sellers, e.g., adding Sellers A, B and C
gives market supply of 6, 12, 18 kg at ₹50, ₹100, ₹150 respectively.
e)
Plotting market
supply against price gives an upward-sloping market supply curve SmSm′.
f)
The Law of Supply,
together with the Law of Demand, explains how sellers respond to price signals
in a market.
Q4. Discuss the various determinants of
supply other than price, giving examples for each.
Answer:
a)
Price of related
goods: a farmer may grow more chickpeas instead of wheat if chickpea prices are
relatively higher, showing supply depends on profitability of alternatives.
b)
Number of sellers:
more sellers due to competition raises market supply, tending to lower prices;
fewer sellers lowers supply, tending to raise prices.
c)
Technology:
improved techniques (drip irrigation, weather sensors) lower the cost of
production and raise output/supply; cold storage increases mango supply to
distant markets.
d)
Future
expectations: if producers expect demand to rise, they raise production now; if
a price rise is expected later, they may hold back current supply (e.g., potato
wholesalers).
e)
Together, these factors
shift the entire supply curve, independent of the good's own current price.
f)
Understanding these
helps explain why the same price can be associated with different levels of
market supply over time.
Q5. Explain market equilibrium with the
help of a schedule and diagram. What happens at prices above and below
equilibrium?
Answer:
a)
Market equilibrium
is the point where quantity demanded equals quantity supplied (Qd = Qs); there
is neither shortage nor surplus.
b)
Example schedule:
at ₹40, Qd = 38 kg, Qs = 6 kg (excess demand); at ₹100, Qd = Qs = 12 kg
(equilibrium); at ₹150, Qd = 8 kg, Qs = 43 kg (excess supply).
c)
Equilibrium price =
₹100, Equilibrium quantity = 12 kg in this example.
d)
At a price below
equilibrium, quantity demanded exceeds quantity supplied — excess
demand/shortage — pushing price upward.
e)
At a price above
equilibrium, quantity supplied exceeds quantity demanded — excess
supply/surplus — pushing price downward.
f)
Graphically,
equilibrium (point E) is where the demand curve DmDm′ intersects the supply
curve SmSm′; the market is said to be 'cleared' at this point.
Q6. "Market equilibrium is a
theoretical concept and does not fully exist in the real world." Discuss
with examples.
Answer:
a)
In theory,
equilibrium is presented as a fixed intersection point between demand and
supply curves.
b)
In reality, markets
are dynamic — constantly influenced by changes in technology, wages, interest
rates, wars, political events, pandemics, weather and natural disasters.
c)
Hence the market is
always adjusting towards a NEW equilibrium and rarely settles permanently at
any one point.
d)
Example: during
COVID-19, demand for face masks surged suddenly; supply couldn't catch up
immediately, so prices rose sharply, then fell as supply adjusted, and fell
further to pre-pandemic levels once demand normalised.
e)
Example: hotel room
tariffs in Goa vary from ₹1,500 (off-season weekday) to ₹8,000 (tourist
weekend) to ₹25,000 (New Year's Eve), and can change several times a day based
on bookings, competitors' rates, events, weather, and days left before arrival.
f)
This shows
equilibrium in real markets is a constantly moving target rather than a fixed,
permanent state.
Q7. Discuss the role of government in
regulating unfair practices in the market.
Answer:
a)
Markets do not
always work fairly since they allocate goods based on willingness and ability
to pay, which can hurt vulnerable/low-income groups.
b)
Price ceiling: a
government-imposed maximum price to prevent overcharging on essential goods
(e.g., capping sanitiser/medicine prices).
c)
Price floor: a
government-imposed minimum price/wage, effective only when set above
equilibrium (e.g., minimum wages for workers).
d)
Monopoly regulation:
a single/few sellers dominating a market can charge high prices, reduce quality
and restrict supply — harming consumers.
e)
Regulators like RBI
(banking), SEBI (securities), TRAI (telecom), and CCPA (consumer rights) ensure
transparency and fair practices.
f)
Together, these
measures protect consumers, workers, and producers from exploitation and
injustice.
Q8. Explain the concept of public goods.
Why must the government provide them? Illustrate with the park example.
Answer:
a)
Public goods are
goods/services provided for the benefit of all citizens, e.g., roads, bridges,
parks, streetlighting, national defence, sanitation and drainage.
b)
Private companies
usually do not provide such goods since they generate no direct profit for the
provider.
c)
The chapter
illustrates this with a neighbourhood park: building it costs ₹5,000 per
family, but many families think 'others will pay and I can use it free' (the
free-rider problem).
d)
Because of this
thinking, not enough money is collected, and the park is never built, even
though everyone needs it.
e)
This explains why
goods that benefit everyone often require government provision or funding
rather than private/voluntary contribution.
f)
Government
provision thus ensures social welfare, economic development, and equal access
to essential services for all citizens.
Q9. Discuss the limitations of excessive
government intervention in markets with examples.
Answer:
a)
Price distortions
and reduced producer incentives: fixing a price below market levels (e.g.,
wheat capped at ₹20/kg when market price is ₹30/kg) reduces farmers' earnings,
cutting production and causing shortages.
b)
Compliance burdens:
extensive regulations, licenses and permits (e.g., multiple clearances a small
restaurant needs for food safety, fire safety, and pollution control) raise
costs and discourage small entrepreneurs.
c)
Discouraged
innovation and entrepreneurship: when returns are capped by price controls,
producers have little incentive to invest in better seeds, irrigation, or
technology.
d)
This reduces
long-term productivity and output, even though the original intervention was
meant to protect consumers.
e)
Hence, government
intervention, while necessary in some cases, must be carefully designed and not
excessive.
f)
A balance is needed
between protecting consumer/worker welfare and preserving market efficiency and
incentives for producers.
Q10. Using demand and supply concepts,
explain why prices of vegetables like tomatoes and onions fluctuate frequently.
Answer:
a)
Vegetable supply
depends heavily on season, weather, and transport conditions, which change
frequently, while demand is relatively more stable.
b)
At the start of a
crop season, supply is low relative to demand, keeping prices high; as supply
increases mid-season, prices fall.
c)
Tomatoes are
perishable — sellers often lower prices by the evening to clear stock before
closing, since unsold stock will spoil (a form of excess supply relative to
remaining demand).
d)
Onion prices change
every few months mainly due to supply-side factors like storage losses,
transportation delays, and seasonal harvesting cycles.
e)
Weather events,
festivals and disruptions in transport can suddenly shift supply, causing sharp
price swings even without any change in demand.
f)
Thus, frequent
vegetable price changes are best explained by supply-side volatility
interacting with a relatively steady demand.
Q11. Explain, with examples, how substitute
goods and complementary goods affect the demand for a product.
Answer:
a)
Related goods are
goods whose demand is interconnected, meaning a change in the
price/availability of one affects demand for the other.
b)
Substitute goods can
replace each other in consumption; if the price of one rises, demand for the
other (relatively cheaper) good rises. Example: if coffee becomes costlier,
demand for tea rises.
c)
If Srivalli cannot
afford mangoes at the market price, she may buy bananas instead — again showing
the substitute effect.
d)
Complementary goods
are used together to provide utility; a rise in demand for one raises demand
for the other even if the second good's own price is unchanged. Example: rising
demand for printers raises demand for cartridges.
e)
Similarly, if movie
tickets become expensive, cinema attendance falls, reducing demand for popcorn
sold in cinema halls — a fall in one complementary good's demand pulling down
the other.
f)
Thus, demand for a
good depends not just on its own price but also on the prices/availability of
related goods.
Q12. "Prices are determined by the
interaction of demand and supply." Explain this statement with a suitable
numerical example.
Answer:
a)
Every market price
is the outcome of negotiation between what buyers are willing to pay (demand)
and what sellers are willing to accept (supply).
b)
Example schedule:
at price ₹10, Qd = 5 kg and Qs = 25 kg (excess supply); at ₹30, Qd = Qs = 15 kg
(equilibrium); at ₹50, Qd = 25 kg and Qs = 5 kg (excess demand).
c)
At ₹30, since Qd =
Qs = 15 kg, this is the equilibrium price and quantity, where the market clears
with no leftover shortage or surplus.
d)
At ₹20 (below
equilibrium): Qd = 10 kg, Qs = 20 kg, so Qs > Qd, giving an excess supply of
10 kg, pushing prices down towards ₹30.
e)
At ₹40 (above
equilibrium): Qd = 20 kg, Qs = 10 kg, so Qd > Qs, giving an excess demand of
10 kg, pushing prices up towards ₹30.
f)
This shows how
price acts as a 'signal' that balances the competing interests of buyers and
sellers until equilibrium is reached.
Q13. Explain the impact of technological
improvement on supply of agricultural products with examples.
Answer:
a)
Improved technology
reduces the cost of production for a given output level.
b)
This allows
producers to produce and supply more at every price level, shifting the supply
curve to the right (outward).
c)
Example: drip
irrigation reduces water use by 40% and increases yield by 30%, lowering cost
per unit and raising a farmer's willingness to supply.
d)
Weather sensors
help farmers plan better, further improving output and reducing crop losses.
e)
Cold storage facilities
allow mangoes and other perishables to be transported to distant markets
without spoilage, increasing overall market supply.
f)
In the long run,
this benefits both farmers (higher output, better returns) and consumers
(greater availability, potentially lower prices).
Q14. Discuss why the government intervenes
in the economy. Explain three key aspects of this intervention.
Answer:
a)
Markets allocate
goods based on willingness and ability to pay, which can leave essential goods
unaffordable for vulnerable and low-income groups — hence markets do not always
work fairly.
b)
Regulation of
unfair practices: the government sets price ceilings (maximum prices on
essentials) and price floors (minimum wages), and curbs monopoly power through
regulators like RBI, SEBI, TRAI and CCPA.
c)
Provision of public
goods: goods like roads, parks and national defence, which private firms won't
supply (no direct profit) and which suffer from the free-rider problem, are
provided/funded by government.
d)
Protection of
vulnerable groups: ensuring essential goods remain affordable and accessible to
low-income sections of society.
e)
However, the
government must balance intervention carefully, since excessive regulation can
also distort markets (discussed as limitations).
f)
Overall, government
intervention aims to ensure fairness, equity and social welfare alongside
market efficiency.
Q15. Explain the concept of diminishing
marginal utility and its relationship with the Law of Demand.
Answer:
a)
Diminishing
marginal utility means the additional utility/satisfaction gained from
consuming successive units of a good keeps falling.
b)
Example: the first
mango tastes delicious, the second is good, but by the third or fourth, one is
barely interested in eating more.
c)
As the utility from
each additional unit falls, the buyer's willingness to pay for further units
also falls.
d)
This declining
willingness to pay is one underlying reason why demand for a good falls as more
units are consumed, unless price also falls.
e)
It thus helps
explain the downward-sloping nature of the demand curve — buyers demand more
only if price decreases to match their falling marginal utility.
f)
This principle
applies to most goods and services, not just mangoes, and is a foundational
idea in demand theory.
Q16. Explain, with the help of a diagram
description, how excess demand and excess supply are corrected in a free
market.
Answer:
a)
If price is set
below equilibrium, quantity demanded exceeds quantity supplied, creating excess
demand (a shortage).
b)
Buyers compete for
the limited available quantity, bidding the price up; as price rises, quantity
demanded falls and quantity supplied rises, narrowing the gap.
c)
This continues
until quantity demanded equals quantity supplied at the equilibrium point E.
d)
If price is set
above equilibrium, quantity supplied exceeds quantity demanded, creating excess
supply (a surplus).
e)
Sellers, unable to
sell all their stock, competitively lower the price; as price falls, quantity
supplied falls and quantity demanded rises, narrowing the gap.
f)
This process,
called self-correction, continues until the market again settles at the
equilibrium price and quantity, shown as point E where DD′ meets SS′.
Q17. Describe the significance of
population size and composition in determining demand, citing India's example.
Answer:
a)
The size of a
nation's population directly affects the overall level of demand in its
economy.
b)
India, being the
most populous nation, has a very large domestic consumer demand, which
contributes significantly to its economic growth.
c)
The composition of
the population (age structure) also shapes the type of products/services
demanded.
d)
More children in
the population indicate increased demand for products like sports shoes.
e)
More working adults
mean higher demand for formal shoes and work-related products.
f)
More elderly people
imply higher demand for comfortable or orthopaedic footwear and related
healthcare products — showing demand is shaped by who is buying, not price
alone.
Q18. Explain how future price expectations
influence both demand and supply decisions, using examples from the chapter.
Answer:
a)
On the demand side,
if consumers expect prices to fall in the future, they postpone purchases,
reducing present demand.
b)
If consumers expect
prices to rise, they buy immediately, increasing present demand — e.g., people
delay buying durables before Diwali/New Year, expecting festival discounts.
c)
On the supply side,
if producers expect a future boom in demand, they produce more now, raising
current supply.
d)
If producers expect
demand to fall, they reduce production, lowering current supply.
e)
Example: potato
wholesalers expecting prices to rise during the peak season may hold back
supply now, to sell later at higher prices.
f)
Thus, expectations
about the future can shift both demand and supply curves even without any
change in the current price.
Q19. Explain, with examples, how the
government protects consumers from monopoly power.
Answer:
a)
A monopoly is a
market structure with a single seller/producer controlling the entire supply of
a unique product, facing no close substitutes.
b)
Monopolies can
exploit this position by charging higher prices, providing poorer quality
goods/services, and restricting supply — all harmful to consumer welfare.
c)
The government
regulates such practices by keeping prices and quantity supplied in check
through dedicated regulators.
d)
RBI regulates
banking; SEBI regulates the securities market; TRAI regulates
telecommunications; CCPA addresses violations of consumer rights and unfair
trade practices.
e)
These regulators
ensure transparency in the market and prevent a single seller from unfairly
exploiting consumers.
f)
This regulation is
essential to maintaining fair competition and protecting consumer interests in
sectors prone to monopoly.
Q20. "Excessive government regulation
can be as harmful as no regulation at all." Discuss.
Answer:
a)
Some regulation is
necessary — to prevent unfair practices, curb monopolies, and ensure provision
of public goods for social welfare.
b)
However, excessive
intervention can cause price distortions: fixing prices below market levels
reduces producer motivation, cutting production and causing shortages.
c)
It can also raise
compliance burdens: too many licenses/permits (e.g., multiple clearances needed
by a small restaurant) raise costs and discourage entrepreneurs, especially
small businesses.
d)
It discourages
innovation: when price controls cap returns, producers/farmers have little
incentive to invest in better technology, seeds, or irrigation.
e)
This reduces
long-run productivity and output, defeating the very purpose of protecting
consumers in the long term.
f)
Hence, a balanced,
carefully designed approach to regulation — neither absent nor excessive — is
needed to protect welfare without harming market efficiency.
Q21. Using the sanitiser example from
COVID-19, explain the concepts of hoarding, black marketing, and government
price control.
Answer:
a)
During COVID-19,
sudden surge in demand for sanitisers led to stockouts and sharp price
increases.
b)
Some shopkeepers
began hoarding (accumulating stock beyond immediate need, anticipating further
price rises) and black-marketing (illegally trading the regulated/scarce good).
c)
The government
intervened by declaring sanitisers an essential commodity under the Essential
Commodities Act, 1955, capping the maximum retail price at ₹100 for 200 ml
bottles.
d)
Meanwhile, many
companies started production of sanitisers, increasing supply.
e)
As a result,
sanitisers soon became widely available again at fair prices, correcting the
market failure caused by hoarding and black marketing.
f)
This example shows
how urgent, temporary government intervention can restore fairness during an
emergency, though such controls are usually meant to be temporary rather than
permanent.
Q22. Compare and contrast individual demand
and market demand with schedules and curves.
Answer:
a)
Individual demand
is the quantity a single consumer wants to buy at different prices, e.g.,
Srivalli's schedule: 1 kg at ₹150, 2 kg at ₹100, 3 kg at ₹50.
b)
Market demand is
the sum of individual demands of all buyers, e.g., adding Srivalli, Alex and
Israt's demand gives 6, 12, 18 kg at ₹150, ₹100, ₹50 respectively.
c)
Both individual and
market demand curves slope downward, reflecting the Law of Demand.
d)
However, the market
demand curve is flatter than the individual demand curve, since it aggregates
the responses of many consumers.
e)
For the same price
fall, the market as a whole shows a much larger increase in quantity demanded
than any single consumer.
f)
This distinction is
important since real-world pricing decisions by firms are based on market demand,
not any single buyer's demand.
Q23. Compare and contrast individual supply
and market supply with schedules and curves.
Answer:
a)
Individual supply
is the quantity one seller offers at different prices, e.g., Seller A: 1 kg at
₹50, 2 kg at ₹100, 3 kg at ₹150.
b)
Market supply is
the sum of individual supplies of all sellers, e.g., adding Sellers A, B and C
gives 6, 12, 18 kg at ₹50, ₹100, ₹150 respectively.
c)
Both individual and
market supply curves slope upward, reflecting the Law of Supply.
d)
The market supply
curve represents the combined willingness of all sellers to supply at each
price, not just one seller's decision.
e)
A change affecting
many sellers (like a new technology or more entrants) shifts the market supply
curve, even if one seller's supply is unaffected.
f)
Understanding both
concepts helps explain how total availability of a good in the market responds
to price changes.
Q24. Explain how demand and supply interact
to determine equilibrium price and quantity, using a hypothetical numerical
schedule.
Answer:
a)
Consider a
schedule: at price ₹10, Qd = 5 kg, Qs = 25 kg; at ₹30, Qd = Qs = 15 kg; at ₹50,
Qd = 25 kg, Qs = 5 kg.
b)
As price rises from
₹10 to ₹50, quantity demanded falls (Law of Demand) while quantity supplied
rises (Law of Supply).
c)
At ₹30, quantity
demanded exactly equals quantity supplied (15 kg each) — this is the
equilibrium price and quantity.
d)
At any price below
₹30, quantity supplied is less than quantity demanded, giving excess demand and
upward pressure on price.
e)
At any price above
₹30, quantity supplied exceeds quantity demanded, giving excess supply and
downward pressure on price.
f)
This numerical
example illustrates why price naturally moves towards the equilibrium level
where the market clears.
Q25. Discuss the significance of demand and
supply analysis in understanding everyday price changes (vegetables, flight
tickets, mobile phones).
Answer:
a)
Vegetable prices
vary with season, weather, and transport conditions that affect supply, while
demand stays relatively stable — explaining daily/seasonal price swings.
b)
Flight ticket
prices vary with booking time, seat availability, and demand surges (e.g.,
holiday season) — an example of dynamic pricing based on demand-supply
conditions.
c)
New smartphone
launches show long queues and pre-bookings even at high prices, showing demand
isn't driven by price alone but also by trend, taste, and brand loyalty.
d)
In all these cases,
understanding whether demand or supply is shifting (and why) helps explain the
'price puzzle' behind day-to-day price changes.
e)
This framework also
helps individuals make informed choices, e.g., about the best time to book
flights or buy seasonal produce.
f)
Thus, demand-supply
analysis is a practical tool for understanding real-life market behaviour, not
just an abstract theory.
Q26. Explain why a price ceiling set below
equilibrium can lead to shortages, using the essential-vaccine example.
Answer:
a)
A price ceiling is
a maximum price fixed by the government, meant to keep essential goods
affordable.
b)
If this ceiling is
set below the market equilibrium price, the fixed price is lower than what the
market would otherwise charge.
c)
At this lower
price, quantity demanded (which rises as price falls) exceeds quantity supplied
(producers are less willing to supply at a less profitable price).
d)
This gap between
higher quantity demanded and lower quantity supplied results in excess demand,
i.e., a shortage of the essential vaccine.
e)
Such shortages can
also encourage hoarding or black marketing if the good becomes scarce.
f)
This shows the
policy trade-off between making a good affordable (via price ceiling) and
ensuring its adequate availability in the market.
Q27. Discuss three ways in which government
intervention benefits society, despite its limitations.
Answer:
a)
It protects
vulnerable and low-income groups by capping prices of essential goods like
medicines through price ceilings.
b)
It ensures
provision of public goods — such as roads, parks, streetlighting, and national
defence — that private firms would not otherwise supply.
c)
It prevents
exploitation by monopolies through regulators like RBI, SEBI, TRAI and CCPA,
ensuring fair prices and quality for consumers.
d)
These benefits are
essential for social welfare, equity, and orderly functioning of the economy.
e)
At the same time,
such intervention must be carefully designed, since excessive regulation can
cause its own limitations (price distortion, compliance burden, reduced
innovation).
f)
Overall,
well-targeted government intervention improves societal welfare while balancing
market efficiency.
Q28. Explain the concept of a dynamic
market with reference to hotel tariffs, and identify the factors influencing
price changes.
Answer:
a)
A dynamic market is
one where prices are constantly changing in response to varying demand and
supply conditions, rather than settling at one fixed level.
b)
The chapter's hotel
example shows tariffs ranging from ₹1,500 (off-season weekday) to ₹8,000 (tourist-season
weekend) to ₹25,000 (New Year's Eve) for the same room.
c)
Tariffs may also be
reduced quickly (e.g., by 40%) if a group tour cancels its booking, to fill
empty rooms.
d)
Factors influencing
such changes include: how fast rooms are being booked, tariffs charged by
nearby hotels, festivals/conferences/events in the area, weather forecasts,
number of days left before arrival, and past booking trends.
e)
Hotels change
tariffs several times a day to maximise revenue based on these constantly
shifting factors.
f)
This example
illustrates that real markets rarely have one single 'equilibrium price' —
prices continuously adjust to changing demand and supply conditions.
Q29. Discuss the importance of studying
demand and supply for individuals as informed consumers and citizens.
Answer:
a)
It helps
individuals understand why prices of everyday goods (vegetables, mobile phones,
flight tickets) change over time.
b)
It helps consumers
make more informed buying decisions, such as timing purchases around price
patterns or sales.
c)
It helps citizens
understand and evaluate government policies, such as price ceilings, floors,
and subsidies, and their effects.
d)
It builds critical
thinking about how markets work and why prices are not random but respond to
demand-supply forces.
e)
It also encourages
awareness of sustainability — understanding how today's high demand (e.g., for
fast fashion) can affect future supply and prices.
f)
Overall, understanding
demand and supply equips individuals to navigate economic decisions in daily
life and as responsible citizens.
Q30. "Every choice today affects
future resources." Discuss this statement with reference to demand-supply
dynamics and sustainability.
Answer:
a)
High current demand
for goods like fast fashion can lead to overproduction and resource depletion
over time.
b)
Overfishing to meet
current demand can permanently reduce future fish stocks (supply), threatening
long-term availability.
c)
Similarly, overuse
of groundwater to meet current agricultural/industrial demand can permanently
lower future water supply.
d)
Such depletion of
resources represents a long-term leftward shift in future supply curves, likely
raising future prices and reducing future availability.
e)
This raises the
question of whether markets should focus only on short-term gains or also
consider long-term sustainability.
f)
Thus, today's
demand-supply choices directly shape tomorrow's market equilibrium, making
sustainable consumption and production choices important for the future.
|
SECTION D — ASSERTION–REASON QUESTIONS |
Directions: Each question below
consists of an Assertion (A) and a Reason (R). Choose the correct option:
(a) Both A and R are
true, and R is the correct explanation of A.
(b) Both A and R are
true, but R is NOT the correct explanation of A.
(c) A is true, but R is
false.
(d) A is false, but R is true.
Q1. Assertion
(A): The demand
curve slopes downward from left to right.
Reason (R): As the price of a good falls,
quantity demanded generally rises.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q2. Assertion
(A): The market
demand curve is flatter than an individual consumer's demand curve.
Reason (R): Market demand is always a larger
absolute quantity than individual demand.
Answer:
(b) Both A and R are true, but R is NOT the correct explanation of A.
Q3. Assertion
(A): An increase in
income always increases demand for all goods.
Reason (R): Demand for inferior goods may
actually fall as income rises.
Answer:
(d) A is false, but R is true.
Q4. Assertion
(A): Tea and coffee
are examples of substitute goods.
Reason (R): Substitute goods can replace each
other in consumption.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q5. Assertion
(A): Printers and
printer cartridges are examples of substitute goods.
Reason (R): Complementary goods are used together
to provide utility to the consumer.
Answer:
(d) A is false, but R is true.
Q6. Assertion
(A): The Law of
Supply shows a direct relationship between price and quantity supplied.
Reason (R): Higher prices always eliminate
competition among sellers in a market.
Answer:
(c) A is true, but R is false.
Q7. Assertion
(A): A price floor
is effective only when set below the equilibrium price.
Reason (R): A price floor is a minimum price
fixed by the government.
Answer:
(d) A is false, but R is true.
Q8. Assertion
(A): A price
ceiling is effective only when set below the equilibrium price.
Reason (R): A price ceiling is a maximum price
fixed by the government to prevent overcharging.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q9. Assertion
(A): At market
equilibrium, there is no pressure on price to change.
Reason (R): At equilibrium, quantity demanded is
always greater than quantity supplied.
Answer:
(c) A is true, but R is false.
Q10. Assertion
(A): Excess demand
occurs when price is set above the equilibrium price.
Reason (R): At a higher price, quantity supplied
generally exceeds quantity demanded.
Answer:
(d) A is false, but R is true.
Q11. Assertion
(A): Market
equilibrium is permanent and never changes in real-world markets.
Reason (R): Real-world markets are dynamic,
constantly influenced by technology, weather, and global events.
Answer:
(d) A is false, but R is true.
Q12. Assertion
(A): During the
COVID-19 pandemic, prices of face masks rose sharply.
Reason (R): Demand for masks increased suddenly
while supply could not immediately catch up.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q13. Assertion
(A): Public goods
like roads and streetlighting are usually provided by private companies.
Reason (R): Public goods do not generate direct
profit for private firms.
Answer:
(d) A is false, but R is true.
Q14. Assertion
(A): The free-rider
problem leads to under-provision of public goods if left to private funding.
Reason (R): Individuals expect others to pay for
public goods while they use them free of cost.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q15. Assertion
(A): Excessive
government regulation always benefits producers.
Reason (R): Excessive regulation can increase
compliance burdens and discourage innovation.
Answer:
(d) A is false, but R is true.
Q16. Assertion
(A): A monopoly
seller can charge higher prices and restrict supply.
Reason (R): A monopoly faces no close
substitutes for its product.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q17. Assertion
(A): Diminishing
marginal utility helps explain why demand curves generally slope downward.
Reason (R): The additional satisfaction from
consuming successive units of a good tends to fall.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q18. Assertion
(A): Technological
improvement in agriculture always decreases market supply.
Reason (R): Better technology reduces the cost
of production and allows farmers to produce more.
Answer:
(d) A is false, but R is true.
Q19. Assertion
(A): In online
festival sales, sellers reduce prices to earn higher revenue through higher
sales volume.
Reason (R): A fall in price generally increases
the quantity demanded.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
Q20. Assertion
(A): A Minimum
Support Price (MSP) for crops is an example of a price floor.
Reason (R): A price floor is a minimum price
fixed by the government, effective only when set above the equilibrium price.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
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