We study how competition from privately supplied currency substitutes a¤ects monetary policy. We focus on regimes where monetary policy must be sequentially optimal. We obtain that the workings of competition between currency and currency substitutes depend critically on government objectives....

We study the interaction of competition and reputation as e¢- ciency enhancing mechanisms in environments where informational or lack of commitment constraints a¤ect the ability of …rms to compete for market shares. We …rst analyze a dynamic model of monopolistic competition with...