We develop a novel class of time-changed Lévy models which are tractable and readily applicable, capture the leverage effect, and exhibit pure jump processes with finite or infinite activity. Our models feature four nested processes reflecting market, volatility and jump risks, and observation...

In this paper we examine the effects of capital gains taxation on firms' investment and financing decisions. We develop a real-options model in which the timing of investment, the decision to default, and the firm's capital structure are endogenously and jointly determined. Our analysis...