Lecture 2 Flashcards

1
Q

Indifference curve

A

A representation of the combinations of two goods that provide equal satisfaction to a consumer.

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2
Q

Individual demand curve

A

A curve showing the quantity of a good that a single consumer will buy at each price.

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3
Q

Price elasticity of demand

A

A measurement of how much the quantity demanded of a good changes when its price changes.

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4
Q

Income elasticity of demand

A

A measurement of how the quantity demanded of a good changes with a change in consumer income.

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5
Q

Substitution effect

A

The change in consumption of a good due to a change in its price, while maintaining the same utility level.

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6
Q

Normal good

A

A good for which demand increases when income increases.

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7
Q

Inferior good

A

A good for which demand decreases as consumer income increases.

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8
Q

Marginal product

A

The additional output produced when one more unit of an input is added.

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9
Q

Production function

A

A function that shows the maximum output a firm can produce with given inputs.

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10
Q

Isoquant

A

A curve that represents all combinations of inputs that produce the same level of output.

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11
Q

Price-consumption curve

A

A curve showing the utility-maximizing combinations of two goods as the price of one changes.

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12
Q

Income-consumption curve

A

A curve that shows how consumption of goods changes as consumer income changes.

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13
Q

Engel curve

A

A curve that relates the quantity of a good consumed to the consumer’s income.

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14
Q

Substitutes

A

Goods where an increase in the price of one leads to an increase in the demand for the other.

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15
Q

Complements

A

Goods where an increase in the price of one leads to a decrease in the demand for the other.

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16
Q

Giffen good

A

A good for which demand increases when its price rises, due to the income effect outweighing the substitution effect.

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17
Q

Consumer surplus

A

The difference between what a consumer is willing to pay for a good and the amount they actually pay.

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18
Q

Network externality

A

A situation where the demand for a good is affected by how many other people purchase or use it.

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19
Q

Bandwagon effect

A

A positive network externality where consumers purchase a good because others are doing so.

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20
Q

Snob effect

A

A negative network externality where consumers desire a good because it is exclusive or rare.

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21
Q

Substitution effect (Income and Substitution Effects)

A

The change in the quantity of a good consumed as its price changes, while utility is held constant.

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22
Q

Income effect (Income and Substitution Effects)

A

The change in the quantity of a good consumed resulting from a change in consumer purchasing power due to a change in income.

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23
Q

Total effect

A

The overall change in consumption of a good due to both substitution and income effects combined.

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24
Q

Market demand curve

A

A curve that shows the total quantity of a good that all consumers in a market will buy at each price.

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25
Q

Elastic demand

A

A situation where a small change in price leads to a large change in quantity demanded (elasticity > 1).

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26
Q

Inelastic demand

A

A situation where a change in price results in a small change in quantity demanded (elasticity < 1).

27
Q

Perfectly inelastic demand

A

A situation where changes in price have no effect on the quantity demanded (elasticity = 0).

28
Q

Perfectly elastic demand

A

A situation where the quantity demanded changes infinitely with even the smallest price change (elasticity = infinity).

29
Q

Unitary elastic demand

A

A situation where the percentage change in price results in an equal percentage change in quantity demanded (elasticity = 1).

30
Q

Economies of scale

A

A situation where increasing the level of output leads to a lower average cost per unit produced.

31
Q

Diseconomies of scale

A

A situation where increasing the level of output leads to a higher average cost per unit produced.

32
Q

Returns to scale

A

The rate at which output changes when all inputs are increased proportionally.

33
Q

Increasing returns to scale

A

A situation where output more than doubles when all inputs are doubled.

34
Q

Constant returns to scale

A

A situation where output doubles when all inputs are doubled.

35
Q

Decreasing returns to scale

A

A situation where output less than doubles when all inputs are doubled.

36
Q

Production function

A

A mathematical representation of how inputs (like labor and capital) are transformed into outputs.

37
Q

Marginal product of labor (MPL)

A

The additional output produced by using one more unit of labor, holding other inputs constant.

38
Q

Marginal product of capital (MPK)

A

The additional output produced by using one more unit of capital, holding other inputs constant.

39
Q

Law of diminishing marginal returns

A

A principle stating that as more units of a variable input are added to fixed inputs, the additional output produced eventually decreases.

40
Q

Average product of labor

A

The total output produced divided by the number of labor units employed.

41
Q

Marginal cost (MC)

A

The additional cost incurred by producing one more unit of output.

42
Q

Average total cost (ATC)

A

Total cost divided by the quantity of output produced.

43
Q

Fixed cost (FC)

A

Costs that do not vary with the level of output and must be paid even if production is zero.

44
Q

Variable cost (VC)

A

Costs that change as the level of output changes.

45
Q

Sunk cost

A

A cost that has already been incurred and cannot be recovered, and therefore should not affect future decision-making.

46
Q

Economic cost

A

The total cost of production, including both accounting costs and opportunity costs.

47
Q

Accounting cost

A

The actual expenses incurred in production, including depreciation.

48
Q

Isoquant

A

A curve that shows all the combinations of two inputs that yield the same level of output.

49
Q

Isocost line

A

A curve that shows all the combinations of inputs that can be purchased for a given total cost.

50
Q

Marginal rate of technical substitution (MRTS)

A

The rate at which one input can be reduced while maintaining the same level of output by increasing the amount of another input.

51
Q

Perfectly substitutable inputs

A

Inputs that can be replaced with each other at a constant rate in production without affecting output.

52
Q

Perfectly complementary inputs

A

Inputs that must be used together in fixed proportions to produce output.

53
Q

User cost of capital

A

The annual cost of owning and using a capital asset, including depreciation and interest.

54
Q

Rental rate of capital

A

The cost per year of renting one unit of capital.

55
Q

Expansion path

A

A curve that shows the cost-minimizing combination of inputs as a firm increases its output level.

56
Q

Economies of scope

A

The cost savings that occur when a firm produces multiple products together rather than separately.

57
Q

Diseconomies of scope

A

A situation where producing multiple products together is more costly than producing them separately.

58
Q

Learning curve

A

A graphical representation showing how labor hours required per unit of output decrease as cumulative output increases due to learning and efficiency improvements.

59
Q

Cost-output elasticity

A

The percentage change in cost resulting from a 1% change in output.

60
Q

Long-run average cost (LAC)

A

A curve that shows the lowest average cost of production when all inputs are variable.

61
Q

Long-run marginal cost (LMC)

A

The change in total cost from producing one additional unit of output when all inputs are variable.

62
Q

Short-run average cost (SAC)

A

A curve that shows the average cost of production when at least one input is fixed.

63
Q

Fixed inputs

A

Inputs that cannot be changed in the short run, such as buildings or machinery.

64
Q

Variable inputs

A

Inputs that can be adjusted in the short run to increase or decrease production, such as labor.