accounts for time variation in macroeconomic volatility, known as the great moderation. In particular, we consider an … volatility processes and mixture distributions for the irregular components and the common cycle disturbances enable us to … that time-varying volatility is only present in the a selection of idiosyncratic components while the coefficients driving …

volatility of US and UK GDP growth appears to have become increasingly correlated in the recent past. …

We build a dynamic factor model with time-varying parameters and stochastic volatility and use it to decompose the … common global uncertainty plays a primary role in explaining the volatility of inflation, interest rates and stock prices …, although to a varying extent over time. Region-specific uncertainty drives most of the exchange rate volatility for all Euro …