In the Dynamic Conditional Correlation with Mixed Data Sampling (DCC-MIDAS) framework, we scrutinize the correlations between the macro-financial environment and CO2 emissions in the aftermath of the COVID-19 diffusion. The main original idea is that the economy’s lock-down will alleviate part...

This paper examines relative stock market performance following the onset of the coronavirus pandemic for a sample of 80 stock markets. Weekly data on coronavirus cases and deaths are employed alongside Oxford indices on each nation’s stringency and government support intensity. The results...

In this paper, we deal with the possibility of using econophysics concepts in dynamic portfolio optimization. The main idea of the research is that combining different methodological aspects in portfolio selection can enhance portfolio performance over time. Using data on CESEE stock market...

Big data has become a very frequent research topic, due to the increase in data availability. In this introductory paper, we make the linkage between the use of big data and Econophysics, a research field which uses a large amount of data and deals with complex systems. Different approaches such...

We investigate the risk-return trade-off on the US and European stock markets. We investigate the non-linear risk-return trade-off with a special eye to the tails of the stock returns using quantile regressions. We first consider the US stock market portfolio. We find that the risk-return...

Current integration and co-movement among international stock markets has been boosted by increased globalization of the world economy, and profit-chasing capital surfing across borders. With a reputation as the fastest growing economy in the world, China’s stock market has continued gaining...

In this paper, we study spillover effects on the stock markets of six African and nine Middle Eastern emerging economies before, during, and after the implementation of unconventional monetary policies by the United States Federal Reserve (US Fed). Weekly data covering the pre-quantitative...

This paper investigates to what extent cultural dimensions, based on Hofstede’s model, can clarify differences in cash holding levels. The sample includes 395 banks across 19 countries in the Middle East and North Africa region over a period of 16 years (1999-2014). The findings indicate that...

This paper applies a meta-analysis method to investigate the moderating impact of political stability on the relationship between ownership identities and firm performance in the Middle Eastern countries (i.e., the Arab World). The study collected 105 correlations from 46 previous studies with...

The purpose of this paper is to measure the impact of internal and external corporate governance mechanisms on the financial performance of banks in the under-researched Middle Eastern and North African (MENA) region during the COVID-19 pandemic period. Bank annual reports, the Orbis Bank Focus...