Chapter 13 Flashcards
price-taking producer
A producer whose actions have no effect on the market price of the good or service it sells
price-taking consumer
A consumer whose actions have no effect on the market price of the good or service he or she buys
perfectly competitive market
A market in which all market participants are price-takers
both consumers and producers
Perfectly competitive industry
An industry in which producers are price-takers
Market share
The fraction of the total industry output accounted for by that producer’s output
Standardized product (commodity)
A good is considered this when consumers regard the products of different producers as the same good
entry
arrival of new firms into the industry
exit
departure of firms from an industry
free entry and exit
When new producers can easily enter into an industry and existing producers can esaily leave that industry
3 characteristics of perfect competition
- Contain many producers - each having a small market share
- industry producers a standardized product
- normally characterized by free entry and exit
Marginal Revenue
The change in total revenue generated by an additional unit of output
Change in total revenue
Change in quantity of output
Optimal output rule
Profit is maximized by producing the quantity of output at which the marginal revenue of the last unit produced is equal to its marginal cost
Price-taking firm’s optimal output rule
A price-taking firm’s profit is maximized by producing the quantity of output at which the market price is equal to the marginal cost of the last unit produced
Marginal revenue curve
Shows how marginal revenue varies as output varies
Economic profit
A measure based on the opportunity cost of resources used in the business