The paper develops a methodology for estimating the intra-day probability of informed trading for NYSE stocks, implied by the specialist’s quotes and depths. The time series pattern of our measure (PROBINF) in an intra-day analysis around earnings announcements is consistent with previous...

The paper develops a new measure for the probability of informed trading, which can be estimated from the observed quotes and depths. This measure (PROBINF) represents the specialist's ex-ante estimate of the probability of informed trading. We find that PROBINF exhibits a strong and robust...

This dissertation consists of two essays. In the first essay, I examine the source of momentum in stock returns. The reversal of momentum returns has been interpreted as evidence that momentum results from delayed overreaction to information. I examine momentum and reversals conditional on...

This dissertation consists of two chapters. The first chapter shows that the measurement errors in betas for stocks induce corresponding measurement errors in alphas and a spurious negative covariance between the estimated betas and alphas across stocks. This negative covariance between the...

This dissertation consists of two essays. The first provides evidence that the recent revival of shelf equity offers is related to changes in how firms use shelf registration. During 1990-2003 firms that make shelf filings have no immediate intent and low probability of issuance, lower...

Theoretical models suggest that ownership structure may be an important determinant of securities' market characteristics. For example, the presence of informed traders leads to greater bid-ask spreads (Copeland and Galai (1983), and Glosten and Milgrom (1985)), and strategic trading of informed...

type="main" xml:lang="en" <title type="main">Abstract</title> <p>We examine the reputational herding hypothesis and provide evidence that institutional investors' career concerns contribute to herding behavior. Our analysis is based on the intuition that stronger (weaker) career concerns lead to a higher (lower) propensity...</p>

Purpose The purpose of this paper is to explore the motivation behind mutual funds’ risk shifting behavior by examining its impact on fund performance, while jointly considering fund managers’ compensation incentives and career concerns. Design/methodology/approach The study uses a sample of...