In this paper we investigate why regulators may wish to open regulated markets to entry by unregulated firms. We adopt Posner's view of regulation as a taxation scheme, whereby regulators set high rates in some markets in order to subsidize other markets.

We present a model in which inflation has a systematic effect on relative prices and welfare. The model focuces on the microeconomics of trade under inflation, and in particular, the role of long-term trading relationships in markets characterized by imperfect information.

Even though financial markets today show a high degree of integration, the world capital market is still far from the textbook story of high capital mobility. The purpose of this paper is to highlight key source of market failure in the contest of international capital flows and to provide...