The current (2013) chairperson of the Board of Governors of the Federal Reserve System is:

The slope of the production possibility frontier shows:

a. the marginal rate of substitution between the two goods. b. the relative marginal costs of the two goods. c. the efficient combination of outputs possible using fixed amounts of input. d. the relative marginal productivities of the two goods.

Net capital outflow equals

a. the value of domestic assets purchased by foreigners. b. the value of foreign assets purchased by domestic residents. c. the value of domestic assets purchased by foreigners - the value of foreign assets purchased by domestic residents. d. the value of foreign assets purchased by domestic residents - the value of domestic assets purchased by foreigners.