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Convergence test in the presence of structural changes: an empirical procedure based on panel data with cross-sectional dependence

Abdou-Aziz Niang (), Marie-Claude Pichery () and Marcelin Edjo
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Abdou-Aziz Niang: LEG/AMIE - CNRS UMR 5118 - Université de Bourgogne
Marie-Claude Pichery: LEG/AMIE - CNRS UMR 5118 - Université de Bourgogne

No 2010-03, LEG - Document de travail - Economie from LEG, Laboratoire d'Economie et de Gestion, CNRS, Université de Bourgogne

Abstract: This paper presents an essay on empirical testing procedure for economic convergence. Referring to the unit root test proposed by Moon and Perron (2004), we proposed a modified Evans (1996) testing procedure of the convergence hypothesis. The advantage of this modified procedure is that it makes possible to take into account cross-sectional dependences that affect GDP per capita. It also allows to take into account structural instabilities in these aggregates. The application of the procedure on OECD member countries and CFA zone member countries leads to accept the hypothesis of economic convergence for these two groups of countries, and it shows that the convergence rate is significantly lower in the OECD sample. However, the results of the tests applied to the Global sample composed by all countries in these two samples conclude a rejection of the convergence hypothesis.

Keywords: beta-convergence; Unit root; Panel data; Factor model; Cross-sectional dependence; Structural change (search for similar items in EconPapers)
JEL-codes: C22 C23 O40 R11 (search for similar items in EconPapers)
Pages: 18 pages
Date: 2010-04
Note: This work is dedicated to the memory of Marcellin EDJO, an economist at the BCEAO, who, before disappearing prematurely December 14, 2008 in Dakar, had contributed to a first version of this paper. He also conducted other works addressing economic convergence in the framework of properties of non-stationary series.
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