ECON101 Lecture Notes - Lecture 8: Ceteris Paribus

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tantermite799

12 Feb 2020

School

University of Alberta

Department

Economics

Course

ECON101

Professor

Andrew Wong

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Assumption 2: transitivity: if a consumer prefers bundle x to bundle y and prefers bundle y to bundle z, then the consumer must prefer bundle x to bundle z. Assumption 3: nonsatiation: ceteris paribus, more of a commodity is preferred than less of it. Utility: the satisfaction, happiness or need fulfillment that consumers receive from the goods and services they consume. Marginal utility: the change in utility that results from an incremental change in consumption of a good or service (one additional unit). The law of diminishing marginal utility: the greater is the amount consumed of a good or service, the smaller is the increase in the utility from an incremental increase (additional increase) in the consumption of that good. Or the more consumed of a good, the smaller is the marginal utility, the less consumed of a good, the greater is the marginal utility.

Related Questions

budget line

marginal utility

complete property of preferences

market demand

consumption bundle

substitution effect

Giffen good

total effect

income effect

transitive property of preferences

indifference curves

utility

the marginal rate of substitution

utility function

1.	_____	The satisfaction or benefit that consumers receive from consuming goods or services.
2.	________________ _	A particular combination of specific quantities of goods or services
3.	________________ _	Consumers can rank all conceivable bundles of goods or services
4.	_____	If A is preferred to B, and B is preferred to C, then A is always preferred to C.
5.	_____	Equation showing a consumerâs perception of the total utility forthcoming from consuming each bundle of goods and services.
6.	_____	A set of consumption bundles each and every one of which provides a consumer with exactly the same level of total utility.
7.	_____	The number of units of Y that must be given up for total utility to remain the same when one more unit of X is consumed.
8.	_____	The addition to total utility attributable to consuming one more unit of a good, holding the consumption of all other goods constant.
9.	_____	The line showing all bundles of goods that can be purchased at given prices if the entire income is spent.
10.	_____	The change in the consumption of a good that would result if the consumer remained on the original indifference curve after the price of the good changes.
11.	_____	The change in consumption of goods results strictly from the change in purchasing power after the price of a good changes.
12.	________________ _	The sum of the substitution and income effects.
13.	_____	A good for which quantity demanded varies directly with price, causing an upward sloping demand curve.
14.	_____	A list of prices and the corresponding quantity consumers are willing and able to purchase at each price.

blushwildebeest943

True or False. If False explain why it's false.

1. If all prices are doubled an money income is the left the same, the budget set does not change because the relative prices do not change.

2. A decrease in income pivots the budget line around the bundle initially consumed.

3. If preferences are well-behaved, then for any commodity bundle (x1,x2), the set of commodity bundles that are worse than (x1,x2) is a convex set.

4. The marginal rate of substitution measures the distance betwee one indifference curve and the next one.

5. If someone has the utility function U= 2min(x, y), then x and y are perfect complements for that person.

6. At the boundary optimum, a consumers indifference curve must be tangent to her budget line.

7. If two goods are substitutes, then an increase in the price of one of them will increase the demand for the other.

8. An Engel curve is a demand curve with the vertical and horizontal axes reversed.

9. An inferior good is less durable than a normal good.

10. When other variables are held fixed, the demand for a Giffen good rises when income increase.

When deciding consumption levels of more than one good, the utility-maximizing rule states that you are maximizing utility when

		the marginal utility o two goods are equal
		the marginal utility of two goods are zero
		the ratio of marginal utility to price of two goods is zero
		the ratio of marginal utility to price for the two goods are equal

10 points

QUESTION 2

My brother says the law of diminishing marginal utility is nonsense because he is way happier after his sixth beer than after his first one. Pick the best response.

		He has a point, maybe this is something behavioral economists should take a look at.
		True, but marginal utility refers only to the utility gained (or lost) by drinking that last beer, not to his total utility
		There are always exceptions, but in general this law will hold.
		True, but the law of diminishing marginal utility is really just saying that eventually he will prefer a glass of wine to another beer.

10 points

QUESTION 3

Frank spends $75 on 10 magazines and 25 newspapers. The magazines cost $5 each and the newspapers cost $2.50 each. Suppose that his marginal utility from the final magazine is 10 utils while his marginal utility from the final newspaper is also 10 utils. According to the utility-maximizing rule, Frank should:

		Reallocate spending from magazines to newspapers
		Reallocate spending from newspapers to magazines
		Be satisfied because he is already maximizing his total utility
		None of the above

10 points

QUESTION 4

Marginal utility can be:

		Positive, negative, or zero
		Decreasing but not negative
		Positive or negative, but not zero
		Positive, but not negative

10 points

QUESTION 5

In economics, a product provides utility if it:

is useful

violates the law of demand

takes more and more resources to produce successive units of it

satisfies consumer wants

Which of the following is true of an indifference curve?

		Along an indifference curve utility is fixed.
		If a consumer is rational then indifference curves may cross.
		Indifference curves further from the origin are associated with lower levels of utility than those that are closer to the origin.
		Because they are indifference curves, microeconomics students should be indifferent towards them.

ECON101 Lecture Notes - Lecture 8: Ceteris Paribus

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