We examine the effects of stock repurchase announcements on the value of the announcing insurance firms and on the value of rival insurance firms. We find that insurance firms experience a significant increase in value at the time of the announcement. Repurchasing firms continue to earn excess...

We use the power law function to study changes in the distribution of trading volumes of S&P 500 stocks and non-S&P 500 stocks from 1960 to 2013. We find that the distribution of daily trading volumes has changed significantly for different baskets of non-index stocks and trading has become more...

We model the distribution of daily stock trading volume using the power law and document a new phenomenon. The power law exponent systematically increases with time suggesting that trading is becoming increasingly concentrated in a subset of stocks

Firms added to (deleted from) the Samp;P 600 index experience a significant price increase(decrease) at announcement. Firms that newly enter (exit) the Samp;P universe experience a larger price increase (decrease) than firms that move between Samp;P indexes. Trading volumes are higher after the...

We adopt a power law framework to measure the concentration of daily trading among the different stocks on the US market. Our analysis of the trends of daily concentration over the last five decades reveals that trading concentration is lower on Mondays and the day after a long weekend. These...

This study examines the performance of industry consolidating IPOs by using a sample of 58 firms that conducted a roll-up IPO over the 1994-1999 period and 55 build-up IPOs that went public between 1983 and 1999. Results indicate that the long-run stock price performance of roll-up IPOs...

Most working adults have access to a taxable brokerage account (TBA) and a tax deferred retirement account (TDRA). According to the existing literature, taxable bonds should be located in the TDRA, while equities should be located in the TBA due to the tax treatments of these accounts. If...

In the first essay, I test the predictions of the market timing theory of capital structure on a comprehensive sample of firms that issued debt and equity during the period January 1974-December 2001. I first categorize firms as likely and unlikely market timers based on their ability to time...

In Part I we develop a model of entry in which an entrant with private information about its production cost and cost of entry has an opportunity to trade in the stock of a single incumbent before entry. We assume an efficient stock market populated by risk-neutral liquidity sellers who randomly...

In this paper, we provide evidence that trading driven by investors' behavioral biases contributes to stock return momentum. In particular, we focus on two types of irrational trading, momentum trading and confidence-influenced trading, which could be driven by psychological biases introduced by...