This paper studies empirically the role of China in the world economy. We examine both the way the Chinese economy reacts to selected exogenous macroeconomic shocks and the repercussions for the world economy of a shock emanating from China. With regard to the latter, we focus on the responses...

Default prior choices fixing Zellner's g are predominant in the Bayesian Model Averaging literature, but tend to concentrate posterior mass on a tiny set of models. The paper demonstrates this supermodel effect and proposes to address it by a hyper-g prior, whose data-dependent shrinkage adapts...