Suppose there is an increase in the saving rate. This increase in the saving rate will cause an increase in which of the following once the economy reaches its new steady state equilibrium?

The market for watermelons in Alabama is perfectly competitive. A watermelon producer making zero economic profit could make an economic profit if the

A) average total cost of selling watermelons does not change. B) average total cost of selling watermelons rises. C) average total cost of selling watermelons falls. D) marginal cost of selling watermelons does not change. E) marginal cost of selling watermelons rises.

The value-added approach to measuring GDP involves adding up the value of the

a. sales revenues of firms b. payments for the intermediate goods used by all firms c. the wages of the workers used to produce goods d. sales of all firms, minus all their purchases of intermediate goods e. values of final goods minus the value of all services