The short term and long term stock price volatility changes around bonus and rights issue announcements have been examined using historical volatility estimation and time varying volatility approach. The results show that the historical volatility has increased after bonus and rights issue...

Understanding the pattern of stock market volatility is important to investors as well as for investment policy. Volatility is directly associated with risks and returns, higher the volatility the more financial market is unstable. The volatility of the Zimbabwean stock market is modeled using...

This study finds that market's underreaction to good news is a driver of Gutierrez and Kelly's (2008) weekly momentum returns. By employing a dataset of 10.1 million news items in four regions (the U.S., Europe, Japan, and Asia Pacific), we find that stocks having important and positive news...

The current research assesses the risks commonly attributed to the presence of HFT in the context of different market structures deployed by the U.S. exchanges. In particular, we find that, by design, the so-called “normal” exchanges have the lowest market quality, including the highest...

Purpose Our analysis is targeted at researchers in the fields of economics and finance, and we place emphasis on the incremental contributions of each paper, key research questions, study methodology, main conclusions and data and identification tactics. By focusing on these critical areas, our...

This paper studies the behavior of emerging stock excess returns in an industry-by-industry context. We examine stock market performance for 23 countries and ten industries over 17 years from 1995 to 2012 – a period that includes major changes in capital market regulations, the removal of...

This paper studies the dynamics of emerging excess returns in a industry-by-industry context. Differently from the recent financial literature, which mainly focuses on 'total market indexes', we perform a standard ex-post empirical analysis aimed at capturing the industries' contribution to...

This study first establishes a causal relation between insider trading and the likelihood of stock price crash occurrence, and then investigates potential channels through which the former influences the latter. Exploiting the initial enforcement of insider trading laws in a country as a natural...

The unmediated call auction is a useful trading mechanism to aggregate dispersed information. Its ability to incorporate information of a single informed insider, however, is less well understood. We analyse this question by presenting a simple call auction game where both auction prices and...

We study price efficiency and trading behavior in laboratory limit order markets with asymmetrically informed traders. Markets differ in the number of insiders present and in the subset of traders who receive information about the number of insiders present. We observe that price efficiency (i)...