HETEROGENEITY, REDISTRIBUTION, AND THE FRIEDMAN RULE*
研究货币持有分布不均的模型，发现弗里德曼规则通常不能最大化事后社会福利，因为货币增长率的提高会产生再分配效应，可能使福利改善。
We study monetary models with nondegenerate stationary distributions of money holdings. We find that the Friedman rule does not typically maximize ex post social welfare. An increase in the rate of growth of the money supply has two effects: the standard distortionary, or rate‐of‐return, effect makes money a less desirable asset for all moneyholders. A second, redistributive effect, creates a transfer from one type of agent to the other. An increase in the rate of growth of money away from the Friedman rule can produce a rate‐of‐return effect that dominates the standard effect.