This paper executes a simple event study of the effects of securities litigation on stock returns. Securities litigation is a common occurrence on the US investment markets, via which shareholders aim to recover losses they have suffered as a result of managerial misconduct. Filing lawsuits,...

We examine the effects of the North Korea-U.S. summit and related events on the South Korean stock market over the period March 2018 to June 2018. Employing the event study methodology, we estimate sectoral abnormal returns following the events surrounding the summit and conduct several...

During the first eight months of 2015, there was an ongoing debate about whether or not Greece should remain in the euro area. Using an event study approach, we quantify the effects of Grexit-related statements made by six important euro area politicians (Merkel, Schaeuble, Tsipras, Varoufakis,...

We study the impact of news embedded in scheduled macroeconomic announcements on the government bond market in Poland and the Czech Republic. We conduct an event study on intraday data and time-series regressions using daily data over an eight-year period, distinguishing between effects under...

Covid-19 pandemic is affecting the health of the public, and it is also impacting business and economy. The main objective of this paper is to investigate the impact of Covid-19 pandemic on listed firms’ performance and the abnormal stock returns in Vietnam. To study the impact of Covid-19 on...

We assess the effect of the recent royal wedding of Prince Harry and Meghan Markle on various sectors of the UK stock market over the period between November 2017 and May 2018. For this purpose, the event study methodology is used to estimate abnormal returns and conduct several robustness tests...

This paper aims to understand the impact of demonetisation on the returns of listed firms in the NSE, as well as changes to their corresponding industry level systematic risk. Firstly, this paper examined a larger sample of Indian listed firms and a broader group of industries in its analysis...

This paper introduces a novel firm-level green innovation measure utilizing ClimateBERT and GPT-3 models to analyze green patent abstracts and earnings call transcripts. Firms with higher green innovation measures experienced lower expected returns: a long-short portfolio generates an average...

This paper investigates the impact of debt covenant protection on the cross section of equity returns with a firm-level covenant index and four sub-indices. We find that firms with weaker covenant protection (lower covenant index levels) earn significantly higher risk-adjusted equity returns...

The mean-semivariance CAPM strongly outperforms the traditional mean-variance CAPM in terms of its ability to explain the cross-section of US stock returns. If regular beta is replaced by downside beta, the traditional risk-return relationship is restored. The downside betas of low-beta stocks...