Increasing taxes likely leads to an increase in activity in the underground economy

The open access equilibrium for a common property resource occurs at the point where

a. Average revenue equals marginal cost b. Total social benefits are maximized c. Total private benefits are maximized d. Marginal revenue equals marginal cost e. Marginal revenue equals total costs

Aggregate planned expenditure decreases if

A) exports increase. B) government expenditure on goods and services increases. C) autonomous consumption increases. D) real GDP decreases. E) investment increases.