A comparison of two model averaging techniques with an application to growth empirics

J.R. Magnus, O.R. Powell, P. Prüfer

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Parameter estimation under model uncertainty is a difficult and fundamental issue in econometrics. This paper compares the performance of various model averaging techniques. In particular, it contrasts Bayesian model averaging (BMA) — currently one of the standard methods used in growth empirics — with a new method called weighted-average least squares (WALS). The new method has two major advantages over BMA: its computational burden is trivial and it is based on a transparent definition of prior ignorance. The theory is applied to and sheds new light on growth empirics where a high degree of model uncertainty is typically present.
Original languageEnglish
Pages (from-to)139-153
JournalJournal of Econometrics
Volume154
DOIs
Publication statusPublished - 2010

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