Managing the earth’s resources to ensure their quality and abundance for future generations is known as

If the price exceeds the average variable cost, by producing the level of output such that marginal revenue equals marginal cost, the firm ensures that it will

A) earn an economic profit. B) not suffer any losses. C) earn the largest profit possible. D) survive in the long run.

According to data on Pennsylvania agriculture in the 18th century, the average size of a farm _________, while the number of cleared acres per farm ______________

a. increased; decreased b. decreased; increased c. decreased; remained fairly stable d. remained fairly stable; increased