We present a self-consistent model for explosive financial bubbles, which combines a mean-reverting volatility process … started at least 4 years earlier. We confirm the validity and universality of the volatility-confined LPPL model on seven …

In this paper, I study the drop of real GDP volatility which has been observed in the United States during the postwar … disaggregated only up to 10 sectors. Blanchard and Simon (2001) come to the same result. Using a new estimation method and more … this in order to get, for each observation period, an estimation of the covariance matrix of the sectoral growth rates …

develop an extended Factor Augmented VAR model that simultaneously allows the estimation of a measure of uncertainty and its …

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 …