If unit costs remain constant as the quantity of production increases and all inputs are variable, then a firm is experiencing

Evidence presented in the text suggests that birthrates among developing countries are lower with

(a) higher growth. (b) higher inequality. (c) higher GNP per capita. (d) all of the above.

A market is said to be concentrated when:

a. the degree of competition in the market increases. b. many firms supply to a small number of consumers. c. the firms producing identical goods are clustered in a particular location. d. a firm or a few firms are able to dictate the competitive conditions in a market. e. there is a huge immigration of workers from neighboring areas.