Over the past year, productivity grew 1.8%, capital grew 2%, and labor grew 1%. If the elasticities of output with respect to capital and labor are 0.2 and 0.8, respectively, how much did output grow?

Christina Romer argued that

A) measured properly, GNP before 1929 varied substantially less over time than the official statistics showed. B) measured properly, GNP after 1929 varied substantially more over time than the official statistics showed. C) measured properly, economic expansions after 1929 were shorter than the official statistics showed. D) measured properly, economic expansions before 1929 were shorter than the official statistics showed.

The result of a prisoner's dilemma is _____

a. individuals pursuing their own interests are acting for the group interest b. individuals pursuing the group interest are acting against their own interests c. individuals pursuing their own interests are acting against the group interest d. individuals pursuing the group interest are acting for their own interest