When there is an expansionary gap, inflation will ________, in response to which the Federal Reserve will ________ real interest rates, and output will ________.

A 1986 study of segregation on early 20th century U.S. streetcars found that the primary source of racial segregation on streetcars was

a. a longstanding tradition of racial segregation. b. policies implemented by the owners of streetcars. c. laws passed by the government. d. threats by white people to boycott the streetcars if they were forced to sit with black people.

The production possibilities curve for two products is bowed out because

A. the qualities of the resources are not identical. B. there are unemployed resources. C. as the production of a good increases, opportunity cost is unchanged. D. as the production of a good increases, opportunity cost increases.