Because of non-traded human capital, real-world fi nancial markets are massively incomplete. The modeling of imperfect, dynamic financial markets is a wide-open and difficult field, as yet barely ploughed. Following Cox, Ross and Rubinstein (1979), who calculated the prices of derivative...

Dixit (1988) observed that the mathematical construct of "regulated Brownian motion" developed by Harrison (1985) had proved useful in economic models of decision-making under uncertainty. In a recent note he provided a number of methods for calculating expected discounted payoff functions based...

This paper extends the Krugman target zone model by including a realignment mechanism. Various properties of that realignment mechanism are discussed. The movement of the exchange rate is governed both by a Wiener process on fundamental and by a Poisson jump process with endogenous realignment...

Entry into a market seems to necessitate some investment into "marketing capital" (or distribution capital: advertising, dealerships etc ... ). This form of investment has the property that, if it is unused for some time, it quickly becomes worthless. When entry into a market requires marketing...