This paper studies the effects of a flat-tax reform in a dynamic, general equilibrium model with heterogeneous agents and occupational choice. Each agent has a choice to be a worker or to establish a firm and become an entrepreneur with a limited ability to borrow in financial markets. Because...

We study the structure of optimal wedges and wealth taxes in a Mirrleesian economy with endogenous skills. Human capital is a private state variable that drives the skill process of each individual. Building on the findings of the labor literature, we assume that human capital investment is a)...

This paper studies the choice between investment in new and used capital. We argue that used capital inherently relaxes credit constraints and thus firms which are more credit constrained invest more in used capital. Used capital is cheap relative to new capital in terms of its purchase price...

The U.S. tax policy on health insurance favors only those offered group insurance through their employers, and is highly regressive since the subsidy takes the form of deductions from the progressive income tax system. The paper investigates alternatives to the current policy. We find that a...

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...