marginal product - ansthe increase in output that arises from an additional unit of input
diminishing marginal product - ansthe property whereby the marginal product of an
input declines as the quantity of the input increases
fixed costs - anscosts that do not vary with the quantity of output produced
variable costs - anscosts that vary with the quantity of output produced
average total cost - anstotal cost divided by the quantity of output
average fixed cost - ansfixed cost divided by the quantity of output
average variable cost - ansvariable cost divided by the quantity of output
marginal cost - ansthe increase in total cost that arises from an extra unit of production
, efficient scale - ansthe quantity of output that minimizes average total cost
economies of scale - ansthe property whereby long-run average total cost falls as the
quantity of output increases
diseconomies of scale - ansthe property whereby long-run average total cost rises as the
quantity of output increases
constant returns to scale - ansthe property whereby long-run average total cost stays the
same as the quantity of output charges
competitive market - ansa market with many buyers and sellers trading identical
products so that each buyer and seller is a price taker
average revenue - anstotal revenue divided by the quantity sold
marginal revenue - ansthe change in total revenue from an additional unit sold
, sunk cost - ansa cost that has already been committed and cannot be recovered
monopoly - ansa firm that is the sole seller of a product without close substitutes
natural monopoly - ansa 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
price discrimination - ansthe business practice of selling the same good at different
prices to different customers
oligopoly - ansa market structure in which only a few sellers offer similar or identical
products
monopolistic competition - ansa market structure in which many firms sell products that
are similar but not identical
game theory - ansthe study of how people behave in strategic situations
, collusion - ansan agreement among firms in a market about quantities to produce or
prices to charge
cartel - ansa group of firms acting in unison
Nash equilibrium - ansa situation in which economic actors interacting with one another
each choose their best strategy given the strategies that all the other actors have chosen
Base of the pyramid (BOP) - ansEconomies where people make less than $2,000 per
capita per year.
BRICA - ansBrazil, Russia, India, and China.
Emerging economies - ansterm that has gradually replaced the term "developing
countries" since the 1990s.
Emerging markets - ansA term that is often used interchangeably with "emerging
economies."
Expatriate manager - ansA manager who works abroad, or "expat" for short.