This paper studies the possibility of using financial regulation that prohibits the use of money substitutes as a tool for mitigating the adverse effects of deviations from the Friedman rule. When inflation is not too high regulation aimed at eliminating money substitutes improves welfare by...

Trade is both uncertain and sequential. Money surprises are not neutral because prices at the beginning of the trading process cannot depend on its end. In contrast with fixed-price models, in this paper sellers can change prices during trade. In contrast with Robert E. Lucas's article, here...

use large datasets on prices by products and stores from recent inflationary periods in Israel to compare simple menu cost models with simple uncertain and sequential trade (UST) models. The main empirical findings are (a) price erosion due to inflation explains only a tiny fraction of the...