Inequality and income: The mediating effects of social spending and risk

Edward Castronova

The Economics of Transition, 2001, vol. 9, issue 2, 395-415

Abstract: This paper estimates models of social spending, income risk, and per capita income levels using data from a post‐war panel of OECD (Organisation for Economic Cooperation and Development) countries. The objective is to test two theories about the pathway from inequality to per capita income. According to one theory, inequality reduces incomes because it induces social spending, which acts as a drag on the economy. The results here suggest, however, that inequality does not seem to induce social spending, and social spending does not seem to lower per capita incomes. According to a second theory, inequality causes upheaval which adds to the volatility of per capita income, which may reduce the level of per capita income. The results suggest, however, that volatility, measured here as the standard deviation of per capita income, has little measurable impact on either per capita income or social spending. The mainsprings of per capita income are more likely to be the traditional factors: the work force, human capital, and physical capital. JEL classification: E6.

Date: 2001
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