This paper extends real options theory to consider the situation where the mean appreciation rate of the value of an irreversible investment project is not observable and governed by an Ornstein-Uhlenbeck process. Our main purpose is to analyze the impact of the uncertainty of the mean...

We study the impact of ambiguity on the pricing and timing of the option to invest. There is a funding gap to undertake the investment, which is covered by entering into an equity-for-guarantee swap (EGS). Our model predicts that the more ambiguity-averse the agents, the less the option value,...

We formulate a robust theory of liquidity and risk management based on two fundamental frictions: 1) the entrepreneur cannot alienate his human capital, and 2) the entrepreneur worries about model uncertainty and seek robust decisions. In line with max-min expected utility, a robust entrepreneur...