We consider nancial positions belonging to the Banach lattice of bounded measurable functionson a given measurable space. We discuss risk measures generated by general acceptance sets allowingfor capital injections to be invested in a pre-specied eligible asset with an everywhere positive...

Some investment advisors offer multiple versions of a fund with the same manager and highlycorrelated returns. But these “twin” funds are separate portfolios for different investors withdiffering abilities to select and monitor managers. Using a matched sample of retail andinstitutional twin...

We examine active retail mutual funds and institutional products with a mandate to invest ininternational equity markets between 1991 and 2009. Using global and regional factor models,we find no reliable evidence of alphas in the aggregate or on average. The right tail of thedistribution...

This paper studies the nature of capital adjustment at the plant-level. We use an indirect inference procedure to estimate the structural parameters of a rich specification of capital adjustment costs. In effect, the parameters are optimally chosen to reproduce the nonlinear relationship between...

Changes in government spending often lead to significant shifts in demand across sectors. This paper analyzes the effects of sector-specific changes in government spending in a two-sector dynamic general equilibrium model in which the reallocation of capital across sectors is costly. The...

If machines are indivisible, a vintage capital model must give rise to income inequality. If new machines are always better than old ones and if society cannot provide everyone with a new machine all of the time, inequality will result. I explore this mechanism in detail. If technology resides...

The paper begins with presentation of a methodology for computing rental costs of capital under any tax regime.Tax law over the 1980-84 period is specified and the provisions of theTreasury and Administration tax reform proposals and HR 3838 are described. A model is then constructed to allow...

First, I show that the current U.S. situation in which safe interest rates are expected to remain below growth rates for a long time, is more the historical norm than the exception. If the future is like the past, this implies that debt rollovers, that is the issuance of debt without a later...

Academics, the media, and policymakers have all raised concerns about the implications of human workers being replaced by machines or software. Few have discussed the implications of the reverse: firms' ability to replace capital with workers. We show that this flexibility can help new firms...