Ch 13 terms Flashcards

1
Q

define theory of the firm

A

firms goal is to max profit

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2
Q

define industrial organization

A

how firms choices for P and Q depend on market conditions

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3
Q

define explicit costs

A

$ spent by firm on materials, equipment, rent, etc

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4
Q

define implicit cost

A

no cash - opportunity cost for time and money elsewhere

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5
Q

define economic profit

A

total revenue minus exp and imp costs

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6
Q

define accounting profit

A

total revenue - explicit costs

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7
Q

which is bigger: econ profit or accounting profit

A

accounting profit
doesn’t include implicit costs

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8
Q

what is a production function

A

graph representing diminishing returns on Q of input vs Q of output

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9
Q

define fixed factor

A

part of production process unaffected by production changes

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10
Q

define variable factor

A

part of production affected by production changes.

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11
Q

define fixed cost

A

costs not changed by Q of output (rent)

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12
Q

define variable cost

A

costs affected by Q of output (wages)

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13
Q

what is ATC

A

average total cost
consists of avg fixed and avg variable cost

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14
Q

ATC formula

A

total costs/#Q produced

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15
Q

average fixed cost formula

A

fixed cost: # output

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16
Q

average variable cost formula

A

variable cost/# output

17
Q

define marginal cost

A

cost of increasing production by one unit

18
Q

marginal cost formula

A

change in total cost/change in #

19
Q

where do marginal cost and average total cost intersect on cost curve graph

A

at minimum
most efficient, not profit maxing

20
Q

what is the shape of ATC curve

A

U shape

21
Q

what is the short run of ATC

A

period in which no cost changes occur
new short run starts when change is made

22
Q

what is the long run of ATC

A

short run curves’ movements averaged together

23
Q

shape of economies of scale line on graph

A

decline as output rises
happens in lower quantities

24
Q

shape of DISeconomies of scale line on graph

A

rises with output rise
happens with higher quantities

25
Q

what is constant returns of scale line on graph

A

long run ATC unaffected by output Q

26
Q

what happens to ATC if MC is lower

A

ATC declines

27
Q

what happens to ATC if MC is higher

A

ATC is rising

28
Q

where do ATC line and MC line interest

A

when ATC is at its minimum

29
Q

MC curve shape

A

nike swoop shape

30
Q

ATC curve shape

A

U shape

31
Q

AFC line shape

A

backwards J

32
Q

how to find profit maxing amount

A

where MC = MR
vertically align to demand curve to determine price