An increase in the price level will increase the interest rate, which will decrease investment spending and shift aggregate demand to the left

A marginal cost pricing rule sets marginal cost equal to

A) minimum average variable cost. B) price. C) average cost. D) marginal revenue. E) the smaller of price or marginal revenue.

A price ceiling established below the market clearing price will usually cause

A) nonprice rationing. B) an excess supply. C) no change in the market clearing price. D) a decrease in the market clearing price.