Purpose – The purpose of this paper is to examine the existence of rational speculative bubbles in the Middle East and North African (MENA) stock markets. Design/methodology/approach – To complement shortcomings of the traditional bubble tests, such as unit root tests and cointegration...

Purpose – The purpose of this study is to investigate the effects of increased fund commitments on portfolio size and subsequent effects on portfolio success rates. This paper empirically analyzes the changes in average portfolio size over a 20‐year time period and how these changes affect...

Purpose: This paper aims to explore netizen’s opinions on cryptocurrency under the lens of emotion theory and lexicon sentiments analysis via machine learning. Design/methodology/approach: An automated Web-scrapping via RStudio is performed to collect the data of 15,000 tweets on...

Purpose – The purpose of this paper is to examine the existence of rational speculative bubbles in the Middle East and North African (MENA) stock markets. Design/methodology/approach – To complement shortcomings of the traditional bubble tests, such as unit root tests and cointegration...

Purpose – The purpose of this study is to investigate the effects of increased fund commitments on portfolio size and subsequent effects on portfolio success rates. This paper empirically analyzes the changes in average portfolio size over a 20-year time period and how these changes affect the...

Purpose – The purpose of this study is to investigate the effects of increased fund commitments on portfolio size and subsequent effects on portfolio success rates. This paper empirically analyzes the changes in average portfolio size over a 20-year time period and how these changes affect the...