Start-up entrepreneurs are often commercially inexperienced. In giving managerial advice, venture capitalists can importantly enhance the success of innovative but highly risky ventures. The supply of experienced venture capitalists is not easily increased, however. When the rate of business...

In this paper, we analyze the conflicts of interest of an informed agent who is responsible for divulging his private information about a company and has a reward function positively dependent on its stock price. We assume that the demand for the stock is subject to shocks that may increase...

We study the information-gathering role of a startup accelerator and consider the accelerator's incentives to choose a portfolio size and disclose information about participating ventures. We show that in a rational-expectations equilibrium, the resultant portfolio size is smaller than the...

We study whether analysts' recommendations and the market's reactions to recommendation changes are influenced by the structure of analysts' research portfolios. We find that analysts maintain more positive recommendations for stocks that belong to the “core industry” in their research...

We find evidence that hedge funds significantly manipulate stock prices on critical reporting dates. We document that stocks held by hedge funds experience higher returns on the last day of the quarter, followed by a reversal the next day. For example, the stocks in the top quartile of hedge...

Using analysts' stock recommendations this paper shows gender heterogeneity in investment advice. The odds for female financial analysts to issue optimistic recommendations are much lower than the odds for male analysts. However, an investor cannot profit from the observed gender differences....

This paper examines whether sell-side security analysts follow momentum or create momentum by themselves for recommending stocks. We employ an indirect method of testing the role of analysts by assigning projected recommendation scores for the neglected stocks to mitigate the so-called...

We present comprehensive evidence in support of giving liquidity equal standing to size, value/growth, and momentum as investment styles, as defined by Sharpe (1992). First, we show that financial market liquidity, as identified by stock turnover, is an economically significant indicator of...

Mean variance portfolio theory is expanded to accommodate investors' preferences for the portfolio ESG value (PESGV). Namely, PESGV is added to the minimizing objective function so that portfolio weights are simultaneously optimized in terms of returns, risk (volatility), and PESGV. PESGV is...