Robust Growth Determinants

Gernot Doppelhofer () and Melvyn Weeks ()
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Melvyn Weeks: University of Cambridge, Postal: Faculty of Economics and Clare College, University of Cambridge, , Cambridge CB3 9DD, , UK

No 3/2011, Discussion Paper Series in Economics from Norwegian School of Economics, Department of Economics

Abstract: This paper investigates the robustness of determinants of economic growth in the presence of model uncertainty, parameter heterogeneity and outliers. The robust model averaging approach introduced in the paper uses a flexible and parsi- monious mixture modeling that allows for fat-tailed errors compared to the normal benchmark case. Applying robust model averaging to growth determinants, the paper finds that eight out of eighteen variables found to be significantly related to economic growth by Sala-i-Martin et al. (2004) are sensitive to deviations from benchmark model averaging. For example, the GDP shares of mining or government consumption, are no longer robust or economically significant once deviations from the normal benchmark assumptions are allowed. The paper identifies outlying observations { most notably Botswana { in explaining economic growth in a cross-section of countries.

Keywords: Determinants of Economic Growth; Robust Model Averaging; Heteroscedasticity; Outliers; Mixture models. (search for similar items in EconPapers)
JEL-codes: C11 C21 C52 O47 O50 (search for similar items in EconPapers)
Pages: 40 pages
Date: 2011-02-07
New Economics Papers: this item is included in nep-ecm and nep-fdg
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Working Paper: Robust Growth Determinants (2011)
Working Paper: Robust Growth Determinants (2011)
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