Joey's lawncutting service recently traded in its push mowers for gasoline-powered mowers. Joey still requires one worker per lawnmower; however, more grass is now cut in the same amount of time as before. This is an example of

For each one dollar increase in real GDP, aggregate planned expenditure

A) increases by less than a dollar. B) increases only if autonomous expenditure increases. C) increases by one dollar. D) increases by more than a dollar. E) is unaffected.

The efforts of nations to influence exchange rates are known as

A) open market operations. B) establishing terms of trade. C) foreign exchange market intervention. D) rate discrimination.