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Personal income distribution and the endogeneity of the demand regime

Author

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  • Lorenzo Tonni

    (Sapienza University of Rome)

Abstract

This paper deals with two intrinsically linked issues: the endogeneity of the demand regime and the personal distribution impact on aggregate demand. By microfounding the savings function, the aggregate savings rate is a monotonic function of the Gini index, which in turn is decomposed as a function of the functional income distribution and the Gini indices for wages and profits. By assuming that saving is a function of personal rather than functional income distribution, an increase of the labour share is e ective in boosting consumption and aggregate demand, not per se, but only as long as it reduces personal inequality. As the labour share increases, depending on the distribution of wages and profits, both the demand regime type { the sign of the slope of the demand schedule - and its strength- the size of the slope of the demand schedule - can endogenously change. Con- cerning the former, there can be a threshold value for the wage share beyond which there is a shift from wage-led to profit-led demand. The analysis shows that, unlike most Kaleckian models, profit inequality is just as important as wage inequality in determining the demand regime type and its strength.

Suggested Citation

  • Lorenzo Tonni, 2021. "Personal income distribution and the endogeneity of the demand regime," Working Papers 9/21, Sapienza University of Rome, DISS.
    • Handle: RePEc:saq:wpaper:9/21
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    JEL classification:

    • B50 - Schools of Economic Thought and Methodology - - Current Heterodox Approaches - - - General
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • D33 - Microeconomics - - Distribution - - - Factor Income Distribution
    • E11 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Marxian; Sraffian; Kaleckian
    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory

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