ECON 201 Lecture Notes - Lecture 6: Marginal Utility, Cardinal Utility, Demand Curve

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Chapter 6 consumer choice and demand decisions. The equilibrium condition is written as follows: = The theory: utility is a useful way of analyzing how a consumer makes choices, however, we cannot observe utility, either marginal or total. 6. 3 indifference analysis the budget constraint. The slope of the budget constraint is as follows: (cid:1871)(cid:1867)(cid:1868)(cid:1857) (cid:1867)(cid:1858) (cid:1872) (cid:1857) (cid:1854)(cid:1873)(cid:1856)(cid:1859)(cid:1857)(cid:1872) (cid:1855)(cid:1867)(cid:1866)(cid:1871)(cid:1872)(cid:1870)(cid:1853)(cid:1866)(cid:1872)= (cid:3051)(cid:3052) (cid:1845)=(cid:1835) (cid:1836) Budget constraint can also be obtained by the following. Indifference curve defines combinations of goods and services that yield the same level of satisfaction to the consumer. Indifference map is a set of indifference curves, where curves further from the origin denote a higher level of satisfaction: four properties for indifference curves. Indifference curves further from the origin reflect higher levels of satisfaction. Reflects the fact that if a consumer gets more of one good she should have less of the other in order to remain indifferent between the two combinations.

Related Questions

3. Amy is shopping at a dollar store. She is currently buying 5 bracelets that cost $1 each and 4 sodas that cost $1 each. The table below indicates the marginal utility she obtains when she purchases this combination.

	Quantity	Price per Unit	MU per unit
Bracelets	5	$1	30
Sodas	4	$1	40

A consumer maximizes utility when the last dollar spent on any good generates the same satisfaction as the last dollar spent on every other good. Is this consumer maximizing her utility?

If not, should she consume more bracelets or more sodas? Explain.

Answer the following assuming that one more bracelet is purchased and one less soda is consumed:

Recall the law of diminishing marginal utility. What happens to the Marginal Utility of bracelets and the Marginal Utility of soda?

What happens to the Total Utility received?

What happens to the total dollars spent?

periwinklegoldfish217

Which of the following statements is correct?

i. utility refers to the satisfaction or fuzzy glow derived from consumption of goods

ii. a good may yield utility when acquired but not be functionally useful

iii. utility and usefulness are synonymous (i.e., they have equivalent meanings)

iv. the marginal utility from consuming an additional unit of a good will be positive, whereas the marginal utility of consuming an additional unit of a bad will be negative

tanwildebeest482

1. Economists use ____________ as a measure of the relative level of satisfaction when someone consumes a good or service.

2. Sue likes brownies. However, Sue notices that the more brownies she eats the less satisfaction she receives from each extra brownie. We can say that Sue is experiencing ___________________ from each extra brownie.

sugar sickness

total utility

diminishing marginal utility

increasing marginal utility

3. When total utility is maximized, the marginal utility will be

4. Consider Dirk and Lee. They are both eating pizza. Which of the following statements is true regarding their satisfaction and utility?

Dirk and Lee both receive 10 utils from eating pizza.

Dirk and Lee both receive the same level of satisfaction from eating pizza.

Dirk gets more twice as much satisfaction as Lee from eating pizza.

It is difficult to determine because the utility is subjective.

5. For many products, the total utility curve is

strictly increasing because of increasing marginal utility.

strictly decreasing because of diminishing marginal utility.

increasing initially because of increasing marginal utility, but eventually decreases.

increasing initially at a decreasing rate because of diminishing marginal utility but eventually decreases.

6. When consumers get the biggest bang for the buck, we say they

used the loudest gun in hunting season.

reached a consumer optimum.

minimized consumer satisfaction.

maximized marginal utility.

7. By choosing to consume at the consumer optimum, consumers will

maximize their total utility.

minimize their total utility.

maximize the amount they spend on each good.

minimize the amount they spend on each good.

8. A consumer is in equilibrium when consuming two goods when which of the following holds?

MU_a/ P_a = MU_b/ P_b

MU_a/ P_h =MU_b/ P_a

P_a/ MU_a = P_b/ MU_b

MU_a x P_a = MU_bxP_b

9. If the marginal utility of good 1 is 15 and its price is $3, and the marginal utility of good 2 is 12, and its price is $4, then the consumer

has achieved a consumer optimum.

should increase his or her consumption of good 1.

should increase his or her consumption of good 2.

should decrease his or her consumption of good 1.

10.Suppose the price of an iPod decrease and the price of HD TVs remains the same; what noticeable effect(s) occur(s)?

the substitution effect only

the real-income effect only

the substitution effect and real-income effect, if there is a noticeable change in purchasing power

the substitution effect and real-income effect, if there isnât a noticeable change in purchasing power

11. The ______________ paradox was described by Adam Smith in 1776.

12. What is the key to solving the diamond-water paradox?

more water and fewer diamonds

marginal utility

total utility

consumer demand

13. When solving the diamond-water paradox we notice that the marginal utility of

diamonds are equal to the marginal utility of water.

diamonds are greater than the marginal utility of water.

diamonds are less than the marginal utility of water.

water is equal to its price, and therefore lower than the marginal utility of diamonds.

14. The consumer surplus for water is

greater than that for diamonds because water is nonessential.

greater than that for diamonds because water is essential.

less than that for diamonds because water is nonessential.

less than that for diamonds because water is essential.

15. Suppose a consumer consumes only diamonds and water, and the price of diamonds increases. All else being equal, a consumerâs marginal utility for diamonds

decreases and the marginal utility for water stays the same.

increases and the marginal utility for water decreases.

decreases and the marginal utility for water increases.

increases and the marginal utility for water stays the same.

tansnake161

ECON 201 Lecture Notes - Lecture 6: Marginal Utility, Cardinal Utility, Demand Curve

ECON 201 Full Course Notes

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