This paper uses a VAR-GARCH(1,1) model to analyse mean and volatility spillovers between macro news (in the form of …

This study examines the impact of investors' buy and sell trades on Korean stock market volatility across two crisis … on volatility that depends on the type of investor trading and on the phase of the business cycle. Buy orders appear to … be more informative than sell orders since they mostly lower volatility in the pre-crisis periods, while sell and post …

This paper estimates a bivariate HEAVY system including daily and intra-daily volatility equations and its macro …-augmented asymmetric power extension. It focuses on economic factors that exacerbate stock market volatility and represent major threats to … commodity markets on stock market realized volatility. Specifically, Economic Policy Uncertainty is shown to be one of the main …

This paper examines mean and volatility spillovers between three major cryptocurrencies (Bitcoin, Litecoin and Ethereum …

This paper analyses the impact of the Covid-19 pandemic on stock market returns and their volatility in the case of the … particularly severe Covid-19 conditions decrease returns in the non-G7 countries whilst increase volatility in the G7 ones. Fiscal …

benchmark linear VAR models and then, given the evidence of parameter instability, TVP-VAR models with stochastic volatility …