using volatility impulse response analysis. The data set features ten years of daily returns series for the New York Stock … independent shocks on volatility through time, while avoiding typical orthogonalization and ordering problems. Volatility impulse … response functions (VIRF) provide information about the impact of independent shocks on volatility. HHś VIRF extends a …

This paper examines the effects of financial crises on the long memory volatility dependency of daily exchange returns …-parametric Local Whittle method to estimate the long memory volatility dependency of the daily returns and the temporally aggregated … returns of the two exchange rates. Then it compares the effects of the two financial crises on the long memory volatility …