We argue that default option is important for equity valuation and construct a model that explicitly prices the option to default or abandon the firm. An investment strategy that buys stocks that are classified as undervalued by our model and shorts overvalued stocks generates an annual 4-factor...

Employee stock options (ESOs) are American-style call options that can be terminated early due to employment shock. This paper studies an ESO valuation framework that accounts for job termination risk and jumps in the company stock price. Under general Levy stock price dynamics, we show that a...

We introduce a "bad environment-good environment" technology for consumption growth in a consumption-based asset pricing model. Using the preference structure from Campbell and Cochrane (1999), the model generates realistic non-Gaussian features of fundamentals while still permitting closed-form...