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. This is an example of

Collective bargaining between unions and employers often lead:

A) to wages that are lower than what workers would have received at equilibrium. B) to reduction in the unemployment rate. C) to wages that are higher than what workers would have received at equilibrium. D) to wages equal to what workers would have received at equilibrium.

The change in cost that results from a one-unit increase in output is called the

A) average fixed cost. B) per-unit variable cost. C) per-unit total cost. D) marginal cost. E) average cost change.