A variable that is potentially affected by an experimental treatment is referred to as a(n):

When government expenditures are greater than tax revenues

A) there will be budget surplus. B) the public debt will be reduced. C) there will be budget deficit. D) automatic stabilizers do not kick in.

A competitive market with no externalities is efficient when it is in equilibrium because

A) total benefit equals total cost. B) marginal benefit equals marginal cost. C) consumer surplus equals producer surplus. D) the sum of consumer surplus plus producer surplus is minimized. E) the deadweight gain equals its maximum.