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Does globalization affect top income inequality?

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  • Cabral, René
  • García-Díaz, Rocío
  • Mollick, André Varella

Abstract

We reexamine in this paper the role of globalization on top income shares (five classes from top 0.1% to top 10% of the income distribution) for a sample of 15 economies over the period 1970–2004. We investigate financial globalization measures that complement trade openness. Our system GMM (SGMM) estimations allow for a robust treatment of the endogeneity between income concentration and GDP per capita (as well as with taxation or government size). We find two interesting new results. First, the financial integration measure based on portfolio equity and FDI stocks (GEQ) turns out to have a large impact on top income shares, suggesting that the channel through which globalization affects income concentration is through FDI/equity flows. Second, we find strong support for the progressivity of taxation: there is an almost one to one negative effect of higher tax on top income (top 0.1%), which declines monotonically until the top 10% class.

Suggested Citation

  • Cabral, René & García-Díaz, Rocío & Mollick, André Varella, 2016. "Does globalization affect top income inequality?," Journal of Policy Modeling, Elsevier, vol. 38(5), pages 916-940.
    • Handle: RePEc:eee:jpolmo:v:38:y:2016:i:5:p:916-940
    DOI: 10.1016/j.jpolmod.2016.05.001
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    Keywords

    Capital inflows; Dynamic panels; Globalization; Income inequality;
    All these keywords.

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements
    • F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions
    • F34 - International Economics - - International Finance - - - International Lending and Debt Problems

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