represents a unique opportunity to understand the performance of risk factors during severe economic times across international … heterogeneous responses of option-implied expected market risk premia across alternative stock market indices, and between the Great …

, stock market volatility, and geopolitical risks. In particular, our aim is to determine whether these forms of uncertainty … volatility, which impact negatively in share prices, both in the short and long term. Regarding Brazil, the global uncertainty in …

The oil price volatility index (OPVI) is a direct and more accurate measure of oil price uncertainty. The significance … of the crude oil prices volatility index is used in this paper to examine the effects of crude oil uncertainty on the … (−) fluctuations of the crude oil price volatility index (OPVI). Moreover, the paper measure whether the reform of 2012 stimulated the …

volatility of Borsa Istanbul 100 Index (BIST-100). Sample data cover the period from January 2008 to December 2017. The main … nonlinear volatility models (symmetric and asymmetric Generalized AutoRegressive Conditional Heteroskedasticity [GARCH …]-type models) were used to model and estimate BIST-100 volatility in response to political news. The findings of the paper …

empirical evidence is consistent with investors’ attitudes toward uncertainty and risk, firms’ fundamentals and leverage effects …