The stock of wealth increases more rapidly the faster the flow of ________.

If the demand for jelly increases, and the price of grapes (used to make jelly) rises

A) the equilibrium quantity of jelly falls and the equilibrium price of jelly might rise or fall. B) the equilibrium price of jelly falls and the equilibrium quantity of jelly might rise or fall. C) the equilibrium price of jelly rises and the equilibrium quantity of jelly might rise or fall. D) the equilibrium price of jelly falls and the equilibrium quantity of jelly rises.

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.