Automatic stabilizers are changes in ________ that occur automatically as economic activity changes

The additional output a firm produces by hiring one more worker is called the marginal product of labor

Indicate whether the statement is true or false

Economists who contend that oligopolists have a strong incentive to engage in R&D say that:

A. the undistributed profits of oligopolists give them a source of readily available, relatively low-cost funds for financing R&D. B. entry barriers enable oligopolists to sustain the profit it gains from innovation. C. the large size of oligopolists' R&D departments allows them to use very specialized, expensive R&D equipment and employ teams of specialized researchers. D. all of these are true.