We characterize how risk evolves during a crisis. Using high-frequency data, we find that the first two principal components (PCs) of the covariance matrix of global asset returns experience large, sudden, and temporary spikes coinciding with well-known crises - Covid-19 pandemic, Global...

I examine how financial markets interact with news about the COVID-19 pandemic. A twelve topic model optimizes the trade-off between number of topics and topic coherence. Using this model, I show that before mid-March 2020 markets react more to the same quantum of news when volatility is higher...

Through globalization and financial market liberalization, the opening up of markets has increased cross-border investments as investors search for higher risk-adjusted returns. This ability to invest internationally has raised the attention given to emerging markets that offer higher...

We model the learning process of market traders during the unprecedented COVID-19 event. We introduce a behavioral heterogeneous agents' model with bounded rationality by including a correction mechanism through representativeness (Gennaioli et al., 2015). To inspect the market crash induced by...

We model the learning process of market traders during the unprecedented COVID-19 event. We introduce a behavioral heterogeneous agents’ model with bounded rationality by including a correction mechanism through representativeness (Gennaioli et al., 2015). To inspect the market crash induced...

With a sample of ninety events (announcement and ex-date) using the event study methodology with the market model, we provide evidence for the impacts of the corporate announcements on stock returns during the pandemic stress. We find that all the corporate announcements do not impact the stock...

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...

The aim of this research is to assess whether the interest rate cuts during the COVID-19 pandemic period in Poland affected asset returns on the Warsaw Stock Exchange (WSE). Within the pandemic period, and immediately after the first lock-down announcement on March 12, 2020, interest rates were...