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Hannah Microeconomics Chapter 13
Definitions
20
Economics
Undergraduate 1
11/06/2011

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Term
total revenue
Definition
the amount a firm receives for the sale of its output
Term
total cost
Definition
the market value of the inputs a firm uses in production
Term
profit
Definition
total revenue minus total cost
Term
explicit costs
Definition
input costs that require an outlay of money by the firm
Term
implicit costs
Definition
input costs that do not require an outlay of money by the firm
Term
economic profit
Definition
total revenue minus total cost, including both explicit and implicit costs
Term
accounting profit
Definition
total revenue minus total explicit cost
Term
production function
Definition
the relationship between quantity of inputs used to make a good and the quantity of output of that good
Term
marginal product
Definition
the increase in output that arises from an additional unit of input
Term
diminishing marginal product
Definition
the property whereby the marginal product of an input declines as the quantity of the input increases
Term
fixed costs
Definition
costs that do not vary with the quantity of output produced
Term
variable costs
Definition
costs that vary with the quantity of output produced
Term
average total cost
Definition
total cost divided by the quantity of outputav
Term
average fixed cost
Definition
fixed cost divided by the quantity of output
Term
average variable cost
Definition
variable cost divided by the quantity of output
Term
marginal cost
Definition
the increase in total cost that arises from the extra unit of production
Term
efficient scale
Definition
the quantity of output that minimizes average total cost
Term
economies of scale
Definition
the property whereby long-run average total cost falls as the quantity of output increases
Term
diseconomies of scale
Definition
the property whereby long-run average total cost rises as the quantity of output increases
Term
constant returns to scale
Definition
the property whereby long-run average total cost stays the same as the quantity of output changes
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