While the world was fairly integrated at the turn of the last century, most trade was in agricultural and raw materials, whereas today manufactured consumer and producer goods play a much greater role in determining exports and imports

Bankers supported the Federal Reserve Board's Regulation Q because:

a. it allowed them to charge lower interest rates on loans. b. it protected them from money market volatilities. c. it increased the demand for loanable funds in the market. d. it allowed them to borrow at a low rate of interest and lend out at a high rate of interest.

A country currently is using all its land to produce wheat and grapes. However, the land most suited to growing grapes is being used to produce wheat, and the land most suited to growing wheat is being used to produce grapes. Which of the following statements is true?

a. Production of both wheat and grapes can be increased by shifting tracts of land to their best uses. b. Production of both wheat and grapes can be increased only if more land becomes available. c. production of wheat can increase only if production of grapes decreases. d. Production of grapes can increase only if more labor and machinery become available. e. Production of neither wheat nor grapes is possible without more land becoming available.