In the short run both the monopolistically competitive firm and the perfectly competitive firm will charge a price equal to marginal cost

What has happened to resource prices in the twentieth century and what do they reveal about resource scarcity?

The U.S. unemployment insurance program

A) increases the amount of time the unemployed spend searching for a job. B) decreases the level of frictional unemployment. C) pays the unemployed a benefit equal to twice the average wage. D) eliminates structural unemployment.