If income were distributed equally our economic _________ would suffer.

Net exports are total imports minus total exports

Indicate whether the statement is true or false

According to opportunity-cost theory, if more people learned how to repair their own automobiles, the wages of automotive mechanics would

A) decline as the highest-cost mechanics left the business. B) decline, because the marginal quality of the services provided would go down. C) not change because no change has occurred in demand or supply. D) rise, because mechanics would have to obtain more per hour to maintain their incomes. E) rise in order to compensate for the smaller demand.