question
accounting profit
answer
total revenue minus total explicit cost
question
economic profit
answer
total revenue minus total cost, including both explicit and implicit costs
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average fixed cost
answer
total fixed cost/ total output
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average total cost
answer
total cost divided by the quantity of output
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average variable cost
answer
total variable costs/ total outptut
question
total cost
answer
fixed costs + variable costs
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normal profit
answer
zero economic profit, when price=average total cost
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marginal product
answer
the change in total output from an additional labor or capital input
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marginal cost
answer
change in cost divided by change in quantity
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explicit costs
answer
money spent on materials, utilities, labor, rent, capital
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implicit costs
answer
the opportunity costs associated with production
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total revenue
answer
Price x Quantity
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profit maximization
answer
Marginal revenue = marginal cost.
question
5 characteristics of perfect competition
answer
-many small firms
-identical products(perfect substitutes)
-low barriers-easy exit and entry
-seller has no need to advertise
-firms are "price takers"=must charge the market price
question
long run equilibrium
answer
PCF's are earning normal profit,
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if short run profit firms enter the industry
answer
increase in supply, increase in quantity supplied, decrease in price
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if there is short run economic loss firms exit industry
answer
decrease in supply, decrease in quantity supplied, increase in price
question
shut down rule
answer
Total revenue> Total variable cost= open
total variable cost> total revenue= close
price> average variable cost= open
average variable cost> price= close