Although a variety of commodities have been used as money, the most commonly used have been

Actual expenditure is to planned expenditure as ________ is to ________

A) desire; accomplishment B) aggregate demand; aggregate supply C) output; income D) observed; theoretical E) fluctuation; equilibrium

The welfare loss of a tariff equals that of an import quota that leads to the same level of imports

Indicate whether the statement is true or false