Benchmark Priors Revisited : On Adaptive Shrinkage and the Supermodel Effect in Bayesian Model Averaging /

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...

Ausführliche Beschreibung

Bibliographische Detailangaben
1. Verfasser: Feldkircher, Martin
Weitere Verfasser: Zeugner, Stefan
Format: Zeitschrift
Sprache:English
Veröffentlicht: Washington, D.C. : International Monetary Fund, 2009.
Schriftenreihe:IMF Working Papers; Working Paper ; No. 2009/202
Online Zugang:Full text available on IMF