Second exam Flashcards
the amount a firm receives for the sale of its output
total revenue
the market value of the inputs a firm uses in production
total cost
total revenue - total cost
profit
input costs that require an outlay of money by the firm
explicit cost
input costs that do not require an outlay of money by the firm
implicit cost
total revenue minus total cost, including both explicit and implicit costs
economic profit
total revenue - total explicit cost
accounting profit
the relationship between quantity of inputs used to make a good and the quantity of output of that good
production function
the increase in output that arises from an additional unit of input
marginal product
the property whereby the marginal product of an output declines as the quantity of the input increases
diminishing marginal product
costs that do not vary with the quantity of output produced
fixed costs
costs that vary with the quantity of output produced
variable costs
total cost divided by the quantity of output
average total cost
fixed cost divided by the quantity of output
average fix cost
variable cost divided by the quantity of output
average variable cost
the increase in total cost that arises from an extra unit of production
marginal cost
the quantity of output that minimizes average total cost
efficient scale
the property whereby long-run average total cost falls as the quantity of output increases
economies of scale
he property whereby long-run average total cost rises as the quantity of output increases
diseconomies of scale
the property whereby long-run average total cost stays the same as the quantity of output changes
constant returns to scale
a market with many buyers and sellers trading identical products so that each buyer and seller is a price taker
competitive market
total revenue divided by the quantity sold
average revenue
the change in total revenue from an additional unit sold
marginal revenue
a cost that has already been committed and cannot be recovered
sunk cost
a firm that is the sole seller of a product without close substitutes
monopoly
a monopoly that arises because a single firm can supply a good or service to an entire market at a smaller cost than could two or more firms
natural monopoly
the business practice of selling the same good at different prices to different customers
price discrimination
a market structure in which many firms sell products that are similar but not identical
monopolistic competition
a market structure in which only a few sellers offer similar or identical products
oligopoly
the study of how people behave in strategic situations
game theory
an agreement among firms in a market about quantities to produce or prices to change
collusion
a group of firms acting in unison
cartel
a situation in which economic actors interacting with one another each choose their best strategy given the strategies that all the other actors have chosen
nash equilibrium
a particular “game” between two captured prisoners that illustrates why cooperation is difficult to maintain even when it is mutually beneficial
prisoner’s dilemma
a strategy that is best for a player in a game regardless of the strategies chosen by the other players
dominant strategy
the percentage of the population whose family income falls below an absolute level called the poverty line
poverty rate