We study several optimal stopping problems that arise from trading a mean-reverting price spread over a finite horizon. Modeling the spread by the Ornstein-Uhlenbeck process, we analyze three different trading strategies: (i) the long-short strategy; (ii) the short-long strategy, and (iii) the...

We show that the interplay between endogenous limited participation and credit lines creates asset price bubbles in a simple exchange economy with three types of agents: regular stockholders, arbitrageurs and liquidity providers. Regular stockholders are worse off in the economy with credit...

We examine the decision problem of a power producer contemplating an upgrade of its current generation capacity based on a fossil fuel technology (gas plant), when price processes have affine drift and differentiable volatility functions. The operator can choose the best of four mutually...