Which of the following formulas represents total profit for a perfectly competitive firm?

A key reason why some nations show little or no growth is

A) overpopulation that overuses limited resources. B) too much private property not directed by the government. C) too much international trade so that all economic growth spills over to foreigners. D) patents in rich nations that keep technology only for the rich. E) lack of incentives to undertake actions toward growth.

Full employment occurs when

a. everyone has a job b. everyone who wants a job has one c. there is no frictional unemployment d. there is no cyclical unemployment e. there is no structural, frictional, and seasonal unemployment