In 2007, the government spent over $140 billion on transportation, with nearly ______ percent of this amount being spent on the highway system

Which of the following have to be in equilibrium for the economy to be in equilibrium?

A) the money market only B) the goods market only C) the output and asset markets D) the savings and investment markets E) the goods and output markets

A monopolistic competitor is in long-run equilibrium when

A) it is making zero profits and price equals marginal cost. B) its average total cost curve is tangent to the demand curve at the profit-maximizing rate of output. C) price is greater than marginal cost. D) it is making positive profits or zero profits and price is greater than marginal cost.