Chapter 20: Q.1 (page 463)
Consider the indifference curve illustrated in Figure F-1. Explain, in economic terms, why the curve is convex to the origin.
Short Answer
The curve is convex to the origin due to decreasing marginal utility.
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Chapter 20: Q.1 (page 463)
Consider the indifference curve illustrated in Figure F-1. Explain, in economic terms, why the curve is convex to the origin.
The curve is convex to the origin due to decreasing marginal utility.
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From the data in Problem 20-3, if the price of a cheeseburger is , the price of a bag of french fries is , and you have to spend (and you spend all of it), what is the utility-maximizing combination of cheeseburgers and french fries?
Consider the movements that take place from one point to the next ( to to and so on) along the total utility curve as the individual successively increases consumption by one more unit, and answer the questions that follow.

a. Which one-unit increase in consumption from one point to the next along the total utility curve gencrates the highest marginal utility?
b. Which one-unit increase in consumption from one point to the next along the total utility curve gencrates zero marginal utility?
c. Which one-unit increase in consumption from one point to the next along the total utility curve generates negative marginal utility?
Where possible, complete the missing cells in the table below.

At a consumer optimum involving goods and , the price of good is per unit, and the price of good is per unit. How much greater or smaller is the marginal utility of good than the marginal utility of good ?
As an individual consumes more units of an item, the person eventually experiences diminishing marginal utility. This means that to increase marginal utility, the person must consume less of an item. Explain the logic of this behavior using the example in Problem 20-1.
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