In a business cycle, the period following a trough is called an expansion

If the price level rises by 2 percent and workers' money wages increase by 2 percent, then the

A) quantity of labor supply decreases. B) quantity of labor supply increases. C) quantity of labor supplied does not change because there is no change in the real wage rate. D) More information about the dollar change in the price level and money wage rate are needed to answer the question.

Externalities can create a threat to environmental quality

a. True b. False Indicate whether the statement is true or false