ECON 201 Lecture Notes - Lecture 14: Consumer Choice, Marginal Utility, Normal Good

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ECON 201 Lecture Notes - Lecture 11: Consumer Choice

ECON 201 Lecture Notes - Lecture 14: Consumer Choice, Marginal Utility, Normal Good

ECON 201 Lecture Notes - Lecture 15: Indifference Curve, Capital Market, Opportunity Cost

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Econ 201 lecture 14 (chapter 6) consumer choice and demand decisions (monday 22/10 week 6: mu concept: To understand more about marginal utility (mu) of 2 goods and how consumers choose which good to spend money on (rank bundles): Say income/budget of consumer = 200$ and they can spend that money on snowboard and jazz. Compare the first 2 mu of snowboard and jazz, it is clear that 2. 6 > 2. 4 (muj per $ > mus per $) therefore consumers would choose jazz first and use 20$, now consumer has 180$ left. Next compare the 2nd mu per $ of jazz with the. 1st mu per $ of snowboard: 2. 4 > 2. 1, so this time consumer chooses the 1st snowboard over a second jazz. Then consumer continues to compare and choose 2nd jazz, 2nd snowboard, 3rd jazz, until no money is left to spend (budget runs out), at which point mu per $ of the 2 goods equals (= 1. 4)

Related Questions

Microeconomics Multiple choice questions. Please answer all the questions.

1. Scarcity:
A. exists because resources are limited while human wants are unlimited.
B. means we are unable to have as much as we would like to have.
C. will likely be eliminated as technology continues to expand.
D. is not an issue addressed in economics.

2. People are forced to make choices because of:
A. unlimited wants and unlimited resources.
B. limited wants and unlimited resources.
C. unlimited wants and limited resources.
D. limited wants and limited resources.
E. irrational wants and limited resources.

3. Which of the following is closest to the definition of capital?
A. c and e.
B. c and d.
C. Tools, equipment, means of transportation
D. Factories and machinery.
E. Borrowed money.

4. Which one of the following is the most accurate definition of economics?
A. Economics is the study of stocks and bonds.
B. Economics is the study of how people allocate unlimited resources.
C. Economics is the study of how consumers choose to spend their income.
D. Economics is the study of how society chooses to allocate scarce resources.

5. The basic difference between macroeconomics and microeconomics is:
A. microeconomics concentrates on individual markets while macroeconomics focuses primarily on international trade.
B. microeconomics concentrates on the behavior of individual consumers while macroeconomics focuses on the behavior of firms.
C. microeconomics concentrates on the behavior of individual consumers and firms while macroeconomics focuses on the performance of the entire economy.
D. microeconomics explores the causes of inflation while macroeconomics focuses on the causes of unemployment.

6. Which of the following is not a resource?
A. Land.
B. Labor.
C. Money.
D. Capital.

7. Which of the following would an economist classify as capital?
A. 100 shares of Microsoft stock.
B. $50 bill.
C. credit card.
D. lawyer's personal computer.

8. Economics, according to its definition, studies how people:
A. earn and spend money.
B. invest in the stock and bond markets.
C. make choices in the face of scarcity.
D. supply goods in response to demand.

9. Which of the following is the best example of a microeconomic topic?
A. The impact that the money supply has on inflation.
B. The reasons for increases in the price of soft drinks.
C. The effect that federal budget deficits have on the interest rate.
D. The tradeoff between inflation and unemployment.

10. Which of the following is a macroeconomics topic?
A. Wages of textile workers in the Northeast.
B. The cost of producing 10,000 bookcases.
C. The economy's annual growth rate.
D. National demand for fish.
E. Effects of farm subsidies on food prices.

11. An economic theory claims that a rise in gasoline prices will cause gasoline purchases to fall, Ceteris paribus. The phrase "Ceteris paribus" means that:
A. other relevant factors like consumer incomes must be held constant.
B. the gasoline prices must first be adjusted for inflation.
C. the theory is widely accepted but cannot be accurately tested.
D. consumers' need for gasoline remains the same regardless of the price.

12. An economic model is:
A. a plastic scaled version of the economy.
B. a complete depiction of reality.
C. an abstraction from reality.
D. applicable to consumer behavior but not to producer behavior.
E. not an accepted tool of the economics profession.

13. Which of the following sayings best reflects the concept of opportunity cost?
A. "You can't teach an old dog new tricks."
B. "There is no such thing as a free lunch."
C. "I have a baker's dozen."
D. "There's no business like show business."

14. The opportunity cost of watching television is:
A. all of the alternative programs that appear on other stations.
B. zero because there is no money expenditure involved.
C. the alternative use of the time foregone by watching the program.
D. zero if it benefits you.

15. Which of the following does not illustrate opportunity cost?
A. If I study, I must give up going to the football game.
B. If I buy a computer, I must do without a 35" television.
C. More consumer spending now means more spending in the future.
D. If I spend more on clothes, I must spend less on food.

16. When deciding whether to buy a second car, marginal analysis indicates that the purchaser should compare the:
A. benefits expected from two cars with the cost of both.
B. additional benefits expected from a second car with the cost of the two cars.
C. dollar cost of the two cars with the potential income that the cars will generate.
D. additional benefits of the second car with the additional cost of the second car.

17. According to marginal analysis, you should spend more time studying economics if the extra benefit from an additional hour of study:
A. is positive.
B. outweighs the extra cost.
C. exceeds the benefits of the previous hour of study.
D. will raise your exam score.

1. Use the table below for the following question. Suppose you have a budget of $6 and that brownies and Twizzlers cost $1 each. What is the consumer optimum?

Number of Brownies	Total Utility of Brownies	Marginal Utility of Brownies	Number of Twizzlers	Total Utility of Twizzlers	Marginal Utility of Twizzlers
0	0	-	0	0	-
1	10	10	1	6	8
2	19	9	2	13	7
3	26	7	3	19	6
4	30	4	4	23	4
5	30	0	5	25	2
6	29	-1	6	25	0

6 brownies

3 brownies and 3 Twizzlers

4 brownies and 2 Twizzlers

any combination of 6 because they're both $1

2. Use the table below for the following question. What is the consumer equilibrium for a $6 budget if the price of brownies rises to $1.50 and the price of Twizzlers remains at $1.00?

Number of Brownies	Total Utility of Brownies	Marginal Utility of Brownies	Number of Twizzlers	Total Utility of Twizzlers	Marginal Utility of Twizzlers
0	0	-	0	0	-
1	10	10	1	6	8
2	19	9	2	13	7
3	26	7	3	19	6
4	30	4	4	23	4
5	30	0	5	25	2
6	29	-1	6	25	0

The consumer will buy all Twizzlers because they're cheaper.

4 brownies

3 Twizzlers and 2 brownies

3 brownies and 3 Twizzlers

3. At Nice Price for the Ice, an ice cream parlor, customers routinely buy a scoop of ice cream for $3. If consumers purchase one scoop of ice cream at $3, then why don't they keep buying more and more scoops for $3 until the store sells out?

People would not want more than one scoop of ice cream because then they would have less money to spend on other goods.

People do not want to consume all the scoops of ice cream because their total utility is higher the less they eat.

At some point, customers do not value an additional scoop at $3, so they will not pay $3 for a scoop after they reach that point.

4. Suppose you plan on eating 50 potato chips. As you start consuming potato chips, your marginal utility is very high, but it begins to fall slowly until you've eaten 10 chips. After you have eaten 10 chips, your marginal utility decreases even faster with each additional chip. The marginal utility continues to decline until you've eaten 49 chips. The fiftieth chip does not give you any additional utility. After 50 chips, your mouth gets so salty that it's unpleasant to eat anymore, so marginal utility is actually negative for those chips. How many chips should you eat in order to maximize your total utility?

5. As you start consuming potato chips, your marginal utility is very high, but it begins to fall slowly until you've eaten 10 chips. After you have eaten 10 chips, marginal utility decreases even faster with each additional chip. The marginal utility continues to decline until you've eaten 49 chips. The fiftieth chip does not give you any additional utility. After 50 chips, your mouth gets so salty that it's unpleasant to eat anymore, so marginal utility is actually negative for those chips. How many chips should you eat in order to maximize your marginal utility?

6. At current levels of consumption, Alice is spending her entire budget. If Alice gets 3 utils of satisfaction per dollar spent on ice cream and 2 utils per dollar spent on shampoo, then how should she adjust her consumption to get closer to the consumer optimum?

She is already at the consumer optimum, so no adjustment is necessary.

She should buy more ice cream and less shampoo.

She should buy more shampoo and less ice cream.

She should buy more of both goods.

7. Suppose you are at a restaurant and your favorite dish costs $20. You can get your next-favorite dish for $17. If your next-favorite dish gives you 100 utils, how many additional utils do you need from your favorite dish to spend the extra $3?

17.65

117.65

8. The diamond water paradox is the observation that water is essential to life and inexpensive, while diamonds are not essential and are highly-priced. Which of the other pairs of goods exhibit a pricing structure similar to water and diamonds?

economy & luxury cars

rice & truffles (very expensive mushrooms)

paper clips & gasoline

paper & textbooks

9. Rice is a cheap staple food eaten several times a day by many people all over the world. In Trufflelandia, residents also eat expensive mushrooms known as truffles once every year as a birthday celebration. Rice keeps the people alive and truffles are not necessary for sustaining their lives. Why is rice so cheap and truffles so expensive?

Truffles taste better, so they are worth more money.

Rice is easy to cook, so people buy a lot of it. If people are going to buy so much, then it has to be cheap.

Truffles are more nutritious, and healthy food is always more expensive than unhealthy food.

People eat so much rice that an additional serving of rice has little marginal value, but the marginal value of another serving of truffles is very high.

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ECON 201 Lecture Notes - Lecture 14: Consumer Choice, Marginal Utility, Normal Good

ECON 201 Lecture Notes - Lecture 11: Consumer Choice

ECON 201 Lecture Notes - Lecture 14: Consumer Choice, Marginal Utility, Normal Good

ECON 201 Lecture Notes - Lecture 15: Indifference Curve, Capital Market, Opportunity Cost

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