This study examines the stock market reactions to the Russian invasion on Feb. 24 in 2022. Using an event study methodology, we document that the war has a different impact on stock markets across countries and sectors, depending on how deeply the countries or industries are involved in the war....

Stock markets, just like other sectors of businesses have been impacted by the COVID-19 pandemic. COVID-19 has caused things to change in some sort; behavior, culture, and economy. Investors’ behavior and expectations may have been shaken. Huge stock market dislocations may have occurred as...

The ancient Chinese Almanac lists days that are (in)auspicious for certain actions or events. We find that the initial returns for Initial Public Offerings (IPO), an essential corporate event, are significantly lower on days listed by the Almanac as unlucky. The effect of calendar superstition...

An investor, as Warren Buffett said, should think like a part-owner when investing in common stocks. As a part-owner, the investor should be concerned about the competitive positioning of the business he/she is invested in as a business that is relatively insulated from competitive actions, will...

The relationship between the level of stock market volatility and public information flow is non-linear, resembling a bell-shaped function. Medium levels of information flow generate heightened volatility, whereas weak and strong information flow do not, regardless of whether news are negative...

This study presents the results from a comprehensive out-of-sample test of long-run returns following mergers and acquisitions (M&As). Using a unique sample from 23 frontier markets of almost 800 transactions conducted during the years 1992 to 2016, we implement both cross-sectional tests and...

The literature suggests that voluntary IPO lockups (thereafter lockups) have both roles as a commitment device to control moral hazard and a signaling device to minimize asymmetric information. Using a hand collected data on lockups in China from 2006 to 2012, this paper disentangles the two...

Using the equity market liberalization of 23 emerging market countries between 1996 and 2006, we examine how the degree of competition for a firm's shares affects the price of information asymmetry. We find evidence of a significant decline in the pricing of information asymmetry as countries...

This paper analyses the informational role of the trading activity when jumps occur in the US Treasury market. As jumps mark the arrival of new information to the market, we explore the contribution of jumps in reducing the informational asymmetry. We identify jumps using a combination of jump...