According to economists, which of the following acts was partially responsible for the Great Depression of the 1930s?

With respect to welfare economics, why is the equilibrium price of a product considered to be the best price?

a) It minimizes costs and maximizes profits of sellers. b) It minimizes the level of welfare payments to those who no longer live below the poverty line. c) It maximizes total revenue to firms and total utility to buyers. d) It maximizes the total welfare of buyers and sellers.

Relative to the yen, from 2007-2012 the U.S. dollar

A) appreciated due to an increase in the interest rate differential and expectations of a higher future exchange rate. B) appreciated due to a decrease in the interest rate differential and expectations of a lower future exchange rate. C) depreciated due to an increase in the interest rate differential and expectations of a higher future exchange rate. D) depreciated due to a decrease in the interest rate differential and expectations of a lower future exchange rate.