Exports minus imports of final goods and services

Which of the following is true?

A) The income per worker of a country is higher than its income per capita. B) The income per worker of a country increases when the amount of capital available in the country diminishes. C) The income per worker of a country is lower than its income per capita. D) The income per capita of a country increases when there is an increase in the number of workers.

A decrease in the federal funds rate

A) increases other short-term interest rates, decreases investment, and decreases aggregate demand. B) lowers the exchange rate, increases the supply of loanable funds, and increases aggregate demand. C) lowers other sort-term interest rate, raises the real interest rate, and increases aggregate demand. D) decreases the supply of loanable funds, raises the real interest rate, and decreases aggregate demand. E) decreases the demand for loanable funds, lowers the real interest rate, and decreases aggregate demand.