The change in total cost of production that results from a change in the amount of a resource used is

U.S. census data suggests that

A) income inequality has been increasing since 1980. B) income inequality has been decreasing since 1980. C) income inequality was nonexistent in the 1990s. D) the percentage of families living below the poverty line has surged since the 1980s.

The velocity of money is defined as: a. the time it takes the average worker to get to the bank with his/her paycheck

b. the time it takes banks to clear checks. c. the average number of times per year each dollar is used to purchase final goods and services. d. the ratio of money supply to the average price level in an economy. e. the average number of times per year each dollar is spent for goods, payrolls, Social Security payments, etc.