This paper studies optimal taxation of entrepreneurial capital and financial assets in economies with private information. Returns to entrepreneurial capital are risky and depend on entrepreneurs' effort, which is not observed. The presence of idiosyncratic risk in capital returns implies that...

Building on recent developments in behavioral asset pricing, we develop a model in which an increase in the dispersion of investor beliefs under short-selling constraints predicts a rise in stock price above its fundamental value, or bubble. The model predicts managers respond to bubbles by...

In the summer of 1997, several East Asian countries experienced a dramatic devaluation of their currencies both in nominal and in real terms, stock prices collapsed and output fell. Later in that year several Latin American countries were also affected, followed by Brazil and Russia in 1998....

In this paper, we put forward a theory of the optimal capital structure of the firm based on Jensen's (1986) hypothesis that a firm's choice of capital structure is determined by a trade-off between agency costs and monitoring costs. The problem of determining the optimal capital structure of...

Three of the most important recent facts in global macroeconomics — the sustained rise in the US current account deficit, the stubborn decline in long run real rates, and the rise in the share of US assets in global portfolio — appear as anomalies from the perspective of...