The COVID-19 pandemic has exerted a remarkable impact on stock market volatility around the globe. Can vaccination programs revert these adverse effects? To answer this question, we scrutinize daily data from 66 countries from January 1st, 2020, to February 18th, 2021. We provide convincing...

We examine the role of the vaccine initiation rate in mitigating the international stock market volatility during COVID-19. Our findings reflect that the positive effect of the vaccine initiation rate assists in stabilizing the international stock markets. This possible effect is stronger for...

This paper examines short-term price reactions after one-day abnormal price changes and whether they create exploitable profit opportunities in various financial markets. A t-test confirms the presence of overreactions and also suggests that there is an "inertia anomaly", i.e. after an...

This paper studies the month of the year effect, where January effect presents positive and the highest returns of the other months of the year. In order to investigate the specific calendar effect in global level, fifty-five stock market indices from fifty-one countries are examined. Symmetric...

Using the staggered opening of governmental public data platforms in China, we employ the difference-in-difference approach to investigate how public data access affects stock price synchronicity. We find that stock price synchronicity significantly drops after the public data platform is...