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Example of Budget Lines and Indifference Curves

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See the attached diagram. A consumer is in equilibrium at point A. The price of good X is $5.
a) What is the price of good Y?
b) What is the consumer's income?
c) At point A, how many units of good X does the consumer purchase?

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Solution Preview

a) The red line shows the consumer's budget line. He can afford either 20 units of product X or 20 units of product ...

Solution Summary

Given a consumer's budget line and indifference curves, calculate:
- the price of one of the goods
- the consumer's income
- the quantity of each good that the consumer purchases

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5. Use consumer theory (i.e. indifference curves and budget constraints), where the usual assumptions apply, to illustrate the following:

Assume the individualâ??s utility is an increasing function of medical goods (m) and all other goods (X). That is,

Utility =U (m,x) where delta u/delta m >0, delta u/delta x >0 , and H = f(m) where delta H/deltam > 0.

That is, health or health status increases utility and health is an increasing function of medical goods.

a. Illustrate the individualâ??s utility-maximizing choice of .
b. Next, on the same graph, show the effects of the individual â??getting sick.â? When doing this, assume that the illness harms the individualâ??s ability to earn as much income as before the illness. Label the new optimum .
c. Next, suppose instead, that the individual has sick-loss insurance or sick leave from work and this would replace any income lost from missing work (do I hear a duck? Aflac!). Label this outcome .
d. This exercise is an illustration that illness has caused three potentially observable things to happen. What are they?

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