Microeconomics Flashcards

1
Q

Microeconomics is

A

The study of how individuals, households, and firms make decisions about using limited resources.

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2
Q

Economic resources include:

A

Human resources (workers and managers) and Nonhuman resources (land, technology,minerals, oil, etc)

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3
Q

Microeconomists assume

A

that people and firms are rational and seek to maximize benefits

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4
Q

Trade-offs:

A

Choosing one thing requires giving up another

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5
Q

Scarcity:

A

The existence of limited resources

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6
Q

When an individual or group makes a decision

A

Their opportunity cost is equal to the value of the foregone options

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7
Q

Economic Units:

A

People, Households, and Firms

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8
Q

Marginal Benefits:

A

Small, incremental benefits

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9
Q

The law of demand:

A

When the price of a good increases, demand for it decreases, and vice versa.

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10
Q

Demand schedule:

A

Lists the quantity demanded of a product or service at various prices.

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11
Q

Market demand schedule:

A

A demand schedule that encompasses the entire market’s demand for a good or service at various price points.

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12
Q

Market demand curve:

A

Shows the market demand schedule

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13
Q

When demand curves shift left

A

Market demand has decreased

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14
Q

When demand curves shift right

A

Market demand has increased

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15
Q

Utility:

A

The satisfaction gained from consuming a food or service.

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16
Q

A consumer’s total utility can be

A

positive or negative

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17
Q

Utils:

A

Theoretical units used to measure satisfaction

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18
Q

Marginal utility:

A

Utility gained from consuming one more unit of a good

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19
Q

Substitute goods:

A

When the increased price of one good increases the demand for the price of another as the customer cannot afford this good and looks for a cheaper substitute

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20
Q

Complementary goods:

A

When the increase in price of one good decreases demand for another such as flashlights and their batteries

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21
Q

Price Elasticity of Demand (PED):

A

The percentage change in the quantity demanded of a good or service divided by the percentage change in the price

Used by Sellers to determine the potential loss of customers if prices are raised

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22
Q

PED is a measure of how demand for a good changes in relation to a change in price. If a good is elastic:

A

Demand changes greatly in response to price changes & PED > 1

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23
Q

PED is a measure of how demand for a good changes in relation to a change in price. If a good is unit elastic:

A

then the percentage change in quantity demanded is equal to that in price & PED = 1

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24
Q

PED is a measure of how demand for a good changes in relation to a change in price. If a good is inelastic:

A

Demand changes slightly in response to price changes & PED < 1

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25
Q

Cross-price elasticity:

A

is a measure of the effect a price change for one substitute good can have on the demand for another.

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26
Q

Profit =

A

Total revenue - total cost

27
Q

Total cost =

A

fixed costs + variable costs

28
Q

Fixed costs:

A

Costs that do not change as the quantity produced changes

29
Q

Variable costs:

A

Costs that change as the quantity produced changes

30
Q

Production function:

A

The relationship between the quantity of inputs and the quantity of outputs

31
Q

Marginal product:

A

The increase in output resulting from adding one more unit of input

32
Q

Diminishing marginal product:

A

When marginal product begins to decrease for each new unit of input

33
Q

Marginal profit:

A

Profit earned on each subsequent unit sold

34
Q

Marginal profit =

A

Marginal revenue - marginal cost

35
Q

Marginal cost:

A

The cost of producing one additional unit of a good

36
Q

Marginal revenue:

A

The revenue generated by each unit sold

37
Q

Average revenue:

A

Total revenue / total number of units sold

38
Q

Profit maximisation:

A

The quantity produced at which marginal revenue equals marginal cost

39
Q

If marginal revenue > marginal cost then

A

increase production

40
Q

if marginal revenue < marginal cost then

A

decrease production

41
Q

Price elasticity of supply:

A

PES is the relationship between the supply of a good or service and how that supply or good is affected by price.

PES is inelastic if a price change has little effect on the quantity supplied of a good. It is elastic if a price change has a large effect on the quantity supplied

42
Q

For some goods such as cars and apartments

A

the market is inelastic in the short run, but elastic in the long run

43
Q

For others such as aquarium fish that become endangered

A

the market supply is elastic in the short run, but inelastic in the long run

44
Q

The supply elasticity curve:

A

graphs PES value from price point to price point

45
Q

Market price:

A

The price at which a good or service is offered in the marketplace

46
Q

Law of supply:

A

When the market price for a good increases, the quantity that suppliers produce and sell increases, and vice versa

47
Q

Supply schedule:

A

Lists the quantity of a product supplied at various price points

48
Q

Supply curve:

A

Plots the supply schedule

49
Q

Market supply:

A

The summation of all of the individual supplies of a good or a service

50
Q

Market supply curve:

A

Shows how the total quantity supplied of a good changes as its price changes

51
Q

When the supply curve shifts left

A

Market supply decreases

52
Q

When the supply curve shifts right

A

Market supply increases

53
Q

Market equilibrium:

A

The point at which the market supply is equal to the market demand.

When the amount of goods supplied is equal to the quantity demanded.

54
Q

Equilibrium price:

A

The price where equilibrium occurs

55
Q

Equilibrium quantity:

A

The quantity where equilibrium occurs

56
Q

Equilibrium point:

A

The point at which the equilibrium price is equal to the equilibrium quantity

57
Q

Price acts as a

A

motivator

58
Q

When there is a low price for goods or services,

A

consumers buy more and sellers supply less

59
Q

When there is a high price for goods or services,

A

consumers buy less and sellers supply more

60
Q

Law of supply and demand:

A

The price of any good will naturally adjust until market equilibrium is reached

61
Q

If supply > demand

A

There is a surplus, Prices will drop until equilibrium is reached

62
Q

If supply < demand

A

There is a shortage, Prices will rise until equilibrium is met

63
Q

Supply = Demand

A

Equilibrium has been reached

64
Q

To recognise events that alter equilibrium:

A
  1. Identify a shift in the DC and/or SC
  2. Determine if the curve(s) shift left or right
  3. Use a graph to see how the shifts change the Equilibrium point