A reduction in the demand for labor caused by changes in technology, taxes, and competition is called:

Procyclical variables ________ during expansions and ________ during recessions

A) fall; fall B) rise; fall C) fall; rise D) rise; rise

Game theory assumes that to compute the likely outcome of games, one needs to assume that players act

a. Rationally b. Optimally c. In their own self-interest d. All the above