Assume that one of two possible outcomes will follow a decision. One outcome yields a $75 payoff and has a probability of 0.3; the other outcome has a $125 payoff and has a probability of 0.7. In this case the expected value is

A cartel is most likely to occur in

A) perfect competition as firms compete by reducing cost. B) oligopoly as firms act together to raise prices and increase profits. C) monopolistic competition where firms collude to increase profits. D) oligopoly as firms compete to lower price and increase their own profits. E) monopoly because it faces no competition.

If demand is elastic, a decrease in price leads to a decrease in total revenue

a. True b. False