Which is a barrier to entry in an industry?

The extra pay people earn in exchange for undertaking risky or otherwise undesirable work is called

A) a compensating differential. B) arbitrage income. C) overtime pay. D) a fringe benefit.

Suppose an appreciation of the French franc causes U.S. prices of French wine imports to rise sharply. On the other hand, Californian wine becomes relatively inexpensive to French consumers. Other things equal, this will result in:

a. an increase in U.S. aggregate expenditures and an increase in the aggregate quantity of U.S. goods and services demanded. b. a decrease in U.S. aggregate expenditures and a decrease in the aggregate quantity of U.S. goods and services demanded. c. an increase in U.S. aggregate expenditures and a decrease in the aggregate quantity of U.S. goods and services demanded. d. no change in either U.S. aggregate expenditures or the aggregate quantity of U.S. goods and services demanded. e. a decrease in U.S. aggregate expenditures and an increase in the aggregate quantity of U.S. goods and services demanded.