Practice Questions

Evaluate the statement: 'A movement along the demand curve and a shift in the demand curve are the same thing.'

Calculate the Marginal Rate of Substitution (MRS) for a consumer moving from bundle A (2 bananas, 15 mangoes) to bundle B (3 bananas, 11 mangoes) on the same indifference curve.

Define the term 'utility' as it is used in the theory of consumer behaviour.

Name the two conditions that determine what a consumer can afford to buy.

Justify why an indifference curve is typically convex to the origin.

Propose a reason why the price elasticity of demand for a necessity like salt is highly inelastic.

Justify why a higher indifference curve represents a higher level of satisfaction.

Calculate the price elasticity of demand if a 10 percent increase in the price of a good leads to a 5 percent decrease in its quantity demanded.

Define 'price elasticity of demand'.

Propose a policy a government could implement to shift the demand curve for electric vehicles to the right. Justify your proposal.

Formulate a brief argument to justify why monotonic preferences imply that the indifference curve must be downward sloping.

Define monotonic preferences.

Identify what the slope of the budget line represents.

Explain the concept of an indifference map.

Explain the concept of a budget line with its equation.

Explain the Law of Diminishing Marginal Utility.

Explain the difference between a 'normal good' and an 'inferior good'.

Explain the difference between 'substitute goods' and 'complementary goods'.

Describe the relationship between Total Utility (TU) and Marginal Utility (MU).

Evaluate the effectiveness of using the Law of Diminishing Marginal Utility to explain the downward slope of the demand curve.

Analyze whether a consumer with monotonic preferences can be indifferent between the bundle (7 pens, 9 pencils) and the bundle (7 pens, 8 pencils).

Demonstrate how the Law of Diminishing Marginal Utility is used to explain why an individual's demand curve for a commodity is downward sloping.

Calculate the price elasticity of demand for a commodity when its price increases from Rs 8 to Rs 10 per unit, and as a result, the quantity demanded falls from 100 units to 80 units. Also, analyze the impact on total expenditure.

Analyze why two indifference curves cannot intersect each other.

A consumer has an income of Rs 100 to spend on two goods, X and Y. The price of good X is Rs 20 and the price of good Y is Rs 10. Analyze how the budget line will change if the price of good X falls by 50 percent.

Compare the effect of an increase in consumer income on the demand curves for a normal good and an inferior good.

Contrast the concepts of a 'shift in the demand curve' and a 'movement along the demand curve' using a relevant example for each.

Evaluate the impact on total expenditure on a good if its price increases, given that its price elasticity of demand is -0.5.

List two factors that can cause a rightward shift in the demand curve for a normal good.

Analyze the relationship between Total Utility (TU) and Marginal Utility (MU) using the provided data: Units consumed (1, 2, 3, 4), Total Utility (10, 18, 24, 28).

In a market with two consumers, their demand functions are d1(p) = 25 - p and d2(p) = 30 - 2p. Solve for the market demand when the price of the good is Rs 12.

Critique the assumption of Cardinal Utility Analysis that utility is quantifiable and can be expressed in exact numbers. Propose a more realistic alternative assumption.

Formulate a scenario where an increase in a consumer's income leads to a leftward shift in the demand curve for a specific good. Justify the classification of this good.

Justify the assertion that for perfect substitutes, the marginal rate of substitution is constant.

Describe three main properties of a standard indifference curve.

Describe the condition for the consumer's optimum or equilibrium.

Examine the relationship between the price elasticity of demand and total expenditure. Demonstrate with numerical examples for elastic, inelastic, and unitary elastic demand when the price of a good falls.

Examine the conditions for consumer's equilibrium using indifference curve analysis. Apply this to a situation where the Marginal Rate of Substitution (MRS) is greater than the price ratio (Px/Py).

Justify why a rational consumer's equilibrium is achieved at the point where the budget line is tangent to an indifference curve, and not at a point where it intersects it.

Summarize how a change in a consumer's income affects the budget line, assuming prices remain constant.

Design a hypothetical budget constraint for a consumer and propose two separate changes that would cause the budget line to pivot outwards on the horizontal axis while the vertical intercept remains fixed.

Critique the indifference curve analysis by identifying one of its underlying assumptions that may not hold true in a real-world consumption scenario.

Create a market demand function by aggregating the following two individual demand functions: d1(p) = 20 - 2p (for p <= 10) and d2(p) = 30 - p (for p <= 30).

Compare and contrast the effect on a consumer's budget line of a 50 percent increase in income versus a 50 percent decrease in the prices of both goods.

A consumer's income is Rs 80. She buys two goods, A and B, which are priced at Rs 10 and Rs 8 respectively. Solve for the equation of her budget line and calculate its slope.