If a firm's total variable cost exceeds its total revenue, the firm should stop production by shutting down temporarily

A country that currently does not trade with other countries could benefit by

a. restricting imports and promoting exports. b. promoting imports and restricting exports. c. restricting both imports and exports. d. not restricting trade.

If the economy is on the downward-sloping portion of the Laffer curve, a(an) __________ in tax rates will __________ tax revenues

A) decrease; reduce B) increase; raise C) decrease; raise D) decrease; not change E) increase; not change