If the Japanese government enters the foreign exchange market and sells yen to maintain a specific exchange rate with the dollar, the dollar will ________ and the yen will ________

Suppose that there is no government and no international trade. When C + I is less than the level of real GDP

A) unplanned inventories increase, and real GDP contracts. B) unplanned inventories decrease, and real GDP expands. C) real planned investment spending equals real planned saving. D) unplanned inventories equal zero, and there is no change in the level of real GDP.

The figure above illustrates the problem of overcrowding and external costs experienced during the summer months in the state park. An efficient allocation of resources occurs at

A) point F. B) point G. C) point H. D) point I.