12. Classicals and Keynesians agree that money is neutral in the long run, after the economy has reached its general equilibrium. Because classi- cals believe that long-run equilibrium is reached quickly, they dismiss the short-run equilibrium in which money is not neutral as essentially irrelevant. Keynesians, who believe that it may take several years for the economy to reach gen- eral equilibrium, ascribe much more importance to the short-run period in which money is not neutral.