Demand is said to be price inelastic when the coefficient of price elasticity of demand is

Which factor would facilitate tacit collusion among firms in a market?

a. an increase in the number of firms. b. a decrease in the probability the market will continue into future periods. c. a decrease in the interest rate. d. none of these.

During this century, court decisions on antitrust have:

a. changed from per se, to rule of reason, and back to per se. b. changed from rule of reason, to per se, and back to rule of reason. c. always emphasized per se. d. always emphasized rule of reason. e. varied from judge to judge without following any pattern.