Purpose – This study aims to examine the stock returns distributions in ten countries in the periods before and after the global financial crisis (GFC) to evaluate how well the empirical distributions conformed to the extreme value theory (EVT) which underlies a family of risk management...

Purpose – This study aims to examine the stock returns distributions in ten countries in the periods before and after the global financial crisis (GFC) to evaluate how well the empirical distributions conformed to the extreme value theory (EVT) which underlies a family of risk management...

Purpose – This paper aims to assess the impact of the global financial crisis of 2007‐09 on the risk structure of S&P 500 firms by examining their market, active, and residual risks before and during the crisis. Design/methodology/approach – The classic one‐factor model is estimated for...

Purpose – This paper aims to assess the impact of the global financial crisis of 2007-09 on the risk structure of S&P 500 firms by examining their market, active, and residual risks before and during the crisis. Design/methodology/approach – The classic one-factor model is estimated for each...

Purpose – This paper aims to assess the impact of the global financial crisis of 2007-09 on the risk structure of S&P 500 firms by examining their market, active, and residual risks before and during the crisis. Design/methodology/approach – The classic one-factor model is estimated for each...

Purpose – Aims to examine the currency impact on return, risk and market correlations from the perspective of both dollar and non-dollar-based investments. Design/methodolgy/approach - Monthly data on six stock index series and exchange rates from Financial Times Sources are used, covering the...

Purpose – Aims to examine the currency impact on return, risk and market correlations from the perspective of both dollar and non‐dollar‐based investments. Design/methodology/approach – Monthly data on six stock index series and exchange rates from Financial Times Sources are used,...

Purpose – The purpose of this study is twofold: to test the hypothesis that the closing prices of Titan S.A. stock can be approximated by a random walk; and to valuate the risk associated to this stock. The first question is equivalent to the efficient market hypothesis (EMH) and, therefore,...

Purpose – The purpose of this study is twofold: to test the hypothesis that the closing prices of Titan S.A. stock can be approximated by a random walk; and to valuate the risk associated to this stock. The first question is equivalent to the efficient market hypothesis (EMH) and, therefore,...

Purpose – The purpose of this paper is to study the importance of business time, and market opening/closing times and days, for American option pricing. Design/methodology/approach – A Bermudan pricing approach is employed whereby the option can be exercised only during the times and days...