This paper features an analysis of the cointegration relationships among agricultural commodity, ethanol and Cushing … cointegration and Markov-switching VECM and Impulse Response Analysis, confirms that these markets have significant linkages which … vary according to whether they are in low or high volatility regimes. …

pandemic: implied stock market volatility, newspaper-based economic policy uncertainty, twitter chatter about economic … greatly-from an 80 percent rise (relative to January 2020) in two-year implied volatility on the S&P 500 to a 20-fold rise in … forecaster disagreement about UK growth. Third, time paths also differ: implied volatility rose rapidly from late February and …