Using monthly data for a set of variables, we examine the out-of-sample performance of various variance/covariance models and find that no model has consistently outperformed the others. We also show that it is possible to increase the probability mass toward the tails and to match reasonably...

Aggregated output in industrialized countries has become less volatile over the pastdecades. Whether this “Great Moderation” can be found in firm level data as wellremains disputed. We study the evolution of firm level output volatility using abalanced panel dataset on German firms that...