We study how competition from privately supplied currency substitutes affects monetary equilibria. Whenever currency is inefficiently provided, inside money competition plays a disciplinary role by providing an upper bound on equilibrium inflation rates. Furthermore, if "inside monies" can be...

Presentation of some new results showing how, under very general conditions, the recursive saddle-point method, pioneered by Marcet and Marimon, delivers the appropriate solution for contracting problems with intertemporal incentive constraints, with or without unique solutions. These results...