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This chapter discusses the major steps and issues related to the inclusion of public services in inequality research. Empirically, it investigates how the income distribution in countries changes when the value of publicly provided services to households is included. The authors consider five major categories of public services: education, health care, social housing, childcare and elderly care. On average across OECD countries, spending on these ‘in-kind’ benefits accounts for about 13% of GDP, slightly more than the spending on cash transfers – but with considerable cross-country variation. Broadening the income concept to account for in-kind benefits considerably increases households’ economic resources. But public services also contribute to reducing income inequality, by between one-fifth and one-third depending on the inequality measure. This chapter suggests that publicly provided services fulfil an important direct redistributive role in OECD countries.

Research has shown that the tax treatment of replacement incomes differs considerably among countries. Consequently, the ranking of countries by expenditure level is different for gross and net social expenditures. On a micro level this is translated into a gap between gross and net benefits; this gap varies among countries. In this chapter, we use EUROMOD for an international comparison of the difference between gross and net benefits at the micro level. We investigate the distribution effects of the income tax treatment of replacement benefits, focusing on old-age pensions and unemployment benefits. We present a summary overview of the different ways of levying taxes on benefits in the pre-2004 EU-15 countries. We then try to answer the question how the tax treatment of social security benefits affects the distribution of these benefits and how progressive taxes on benefits are compared to taxes on earnings.

This volume initiates a new collaboration between Research in Labor Economics (RLE) published by Elsevier Press and the Institute for the Study of Labor (IZA). Beginning 2006, the RLE series extends to two volumes per year. One volume will remain in the tradition of the series, consisting of empirical and theoretical contributions in labor economics, while the other volume will focus on specific policy questions. IZA has become one of the largest organizations of labor scholars worldwide while RLE is now a well-established publication containing labor economics research. We hope this new association will be a meaningful development for both IZA fellows and RLE readers.