Income polarization and innovation: Evidence from African economies

Azomahou, Théophile T. and Diene, Mbaye (2012). Income polarization and innovation: Evidence from African economies. UNU-MERIT.

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  • Author Azomahou, Théophile T.
    Diene, Mbaye
    Title Income polarization and innovation: Evidence from African economies
    Publication Date 2012
    Publisher UNU-MERIT
    Abstract This paper examines the degree of polarization of GDP per capita of African economies between 1966 and 2008. Based on a nonparametric analysis, we find that countries tend to cluster in two classes of per capita GDP. Relying on the Wolfson's bipolarization measure, the results reveal that bipolarization has been accelerating during the two first decades and is still growing. We relate the evolution of polarization during the period to the business sectors. We find that countries specialization is the driving force of this evolution, namely, agriculture and industry sectors. We also study the innovation-development polarization relation in a VAR framework using patents and trademarks as measures of innovation. JEL classifcation: C32, O34, O47, O55
    Keyword Polarization of GDP
    Patents
    Trademarks
    Var model
    Copyright Holder UNU-MERIT
    Copyright Year 2012
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    Created: Wed, 11 Dec 2013, 17:06:16 JST