In this paper we examine the importance of imperfect competition in product and labour markets in determining the long-run welfare e¤ects of tax reforms assuming agent heterogeneneity in capital hold- ings. Each of these market failures, independently, results in welfare losses for at least a...

This article provides a comprehensive analysis of a new and increasingly important phenomenon: the simultaneous holding of both equity and debt claims of the same company by non-commercial banking institutions ("dual holders"). The presence of dual holders offers a unique opportunity to assess...

This paper studies the 'confidential holdings' of institutional investors, especially hedge funds, where the quarter-end equity holdings are disclosed with a significant delay through amendments to the Form 13F. Our evidence supports hiding private information as the dominant motive for hedge...

This paper is a first study to formally analyze the biases related to self-reporting in the hedge funds databases by matching the quarterly equity holdings of a complete list of 13F-filing hedge fund companies to the union of five major commercial databases of self-reporting hedge funds between...

Using data from a major mortgage bank, we examine the predictive power of mortgage delinquency models as an aggregate measure of the quality of information recorded at loan origination. We measure model predictive power using an out-of-sample prediction criterion and compare predictive power of...

This monograph reviews shareholder activism by hedge funds. We first describe the nature and characteristics of hedge fund activism, including the objectives, tactics, and choices of target companies. We then analyze possible value creation brought about by activist hedge funds, both for...

As new technologies, products, and services emerge, consumers actively or passively migrate from legacy products to new substitutes while enjoying the adventures and benefits of the new everyday technology. However, identifying customers who migrate presents a challenge for service providers in...

Using a two-agent model comprised of capitalists and workers, this paper examines the importance of imperfect competition in product and labour markets in determining the welfare effects of tax reform. The reform considered consists of eliminating the capital tax alongside a concurrent rise in...

Many applications involve monitoring incidence rates of the Poisson distribution when the sample size varies over time. Recently, a couple of cumulative sum and exponentially weighted moving average (EWMA) control charts have been proposed to tackle this problem by taking the varying sample size...