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What Determines the Share of Labour in National Income? A Cross-Country Analysis

Author

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  • Guerriero, Marta

    (University of Manchester)

  • Sen, Kunal

    (UNU-WIDER)

Abstract

Recent evidence on functional income distribution suggests that the shares of capital and labour in national income vary considerably both over time and across countries. Specifically, there seems to be a general reduction in the labour share around the world, in particular from the mid-1980s onwards. Using fixed effects regression methods on a panel dataset covering 89 countries – both developing and developed – over the period 1970-2009, this study examines the mechanisms underlying the variability in the labour share. In particular, it focuses on the relationships between the labour share and measures of international trade and technological change. The results are robust across different specifications, for yearly data as well as 3- and 5-year averages, and after performing instrumental variable estimation. They suggest that trade openness and technological innovation have a positive and significant effect on the labour share. However, Foreign Direct Investments inflows and mechanisation seem to be negative drivers. Moreover, other factors, such as the level of economic development, education, and the strength of the regulations in the labour market, seem to also significantly influence functional distribution of income.

Suggested Citation

  • Guerriero, Marta & Sen, Kunal, 2012. "What Determines the Share of Labour in National Income? A Cross-Country Analysis," IZA Discussion Papers 6643, Institute of Labor Economics (IZA).
    • Handle: RePEc:iza:izadps:dp6643
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    More about this item

    Keywords

    labour share of income; functional income distribution; globalisation; technological progress;
    All these keywords.

    JEL classification:

    • E25 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Aggregate Factor Income Distribution
    • F16 - International Economics - - Trade - - - Trade and Labor Market Interactions
    • J30 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - General

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