Combinatorial auctions where bidders can bid on bundles of items can lead to more economically efficient allocations, but determining the winners is \scr{N}\scr{P}-complete and inapproximable. We present CABOB, a sophisticated optimal search algorithm for the problem. It uses decomposition...

This paper develops models for discount rates that are adjusted for the interest tax shields of an infra-marginal firm in a general tax equilibrium where there is cross-sectional variation in corporate tax rates. Under the assumption that the firm optimally maintains a predetermined debt ratio,...

This paper addresses the macroeconomic impact of international financial integration. I first provide empirical evidence that foreign banking penetration can be associated with a contraction of banking credit, especially in countries with poor credit markets. Second I present a model in which...

Using a large panel of about 6,946 French manufacturing firms, this paper investigates the effect of monetary policy from 1990 to 1999 on investment through the cost of capital and the cash-flow channels. We compare several specifications of the neo-classical demand for capital, taking into...

This paper develops dynamic measures of the systemic risk of the financial sector as a whole. It defines systemic risk as the conditional probability of failure of a sufficiently large fraction of the total population of financial institutions. This definition recognizes that the cause of...