Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. www.econstor.eu International comparisons of inequality based on measures of disposable income may not be valid if the size and incidence of publicly-provided in kind benefits differ across the countries considered. The benefits that are financed by taxation in one country may need to be purchased out of disposable income in another. We estimate the size and incidence of in kind or "non cash" benefits from public housing subsidies, education and health care for five European countries using comparable methods and data. Inequality in the augmented income measure is dramatically lower than in disposable income, with the effects of the three components varying in importance across countries. Adapting equivalence scales to take proper account of differences in needs for health care and education across population members reduces the scale of the effect, but does not eliminate it. Terms of use: Documents in EconStor may D I S C U S S I O N P A P E R S E R I E S NON-TECHNICAL SUMMARYThe usual practice when performing inter-temporal or cross-country comparisons of inequality and poverty is to rely on distributions of disposable income. This practice may be misleading since an individual's command over resources is determined not only by her spending power over commodities she can buy in the market but also by resources available to her through the in kind provisions of the welfare state as well as private non cash incomes. The contribution of cash and non-cash income components to total (augmented) income is likely to vary considerably both across time and across countries, thus introducing biases in the corresponding comparisons.The present paper provides estimates of the size and incidence of three publicly provided services (housing, education and health care) in five European countries (Belgium, Germany, Greece, Italy and the UK). Cross-country differences are considerable. In the five countries examined in the paper, the value of their services is equal to 17.5%-26.7% of total household disposable income. Yet, in all countries, the corresponding in kind transfers appear to reduced measured inequality and (relative) poverty very substantially. The effect is more pronounced in households with children or elderly persons.Nevertheless, doubts are raised regarding the appropriateness of static incidence analysisthat is standard practice in the corresponding literature -without adjusting the equivalence scales for the extra needs of households for education and ...
ISER Working Paper Series www.iser.essex.ac.uk Microsimulation and Policy AnalysisNon-technical summary This paper is prepared as a chapter forthcoming in the Handbook of Income Distribution, Volume 2 (edited by A. B. Atkinson and F. Bourguignon, Elsevier-North Holland). Microsimulation methods are increasingly used to study the effects of policies on the income distribution contributing both to policy debates and academic literature. In general terms, microsimulation refers to modelling changes in the state or behaviour of micro-level units. We provide an overview of approaches that address questions related to the impact of taxbenefit policies on household income distribution. We first discuss how microsimulation modelling contributes to the analysis of the income distribution more broadly, pointing out that it can enrich survey and administrative data by checking its consistency, adding further details and enhancing analytical flexibility. In addition, it provides the basis for calculating indicators that cannot otherwise be estimated directly from micro-data such as measures of work incentives, net support for children and automatic stabilisers embedded in tax-benefit systems. We then focus more specifically on the role of microsimulation in policy evaluation. Taxbenefit models can provide information on household disposable income and its components under various policy scenarios and as such constitute a unique tool for ex ante policy analysis, though equally can be used for ex post analysis. We review the formal framework underlying such microsimulation-based decomposition analysis of income distribution and suggest a broader perspective to accommodate a wider range of applications. Our main emphasis is on static modelling methods, though we also consider extensions accounting for behavioural reactions and links with macroeconomic models. As microsimulation models are often concerned with current and future policies, we discuss various approaches to predict the income distribution given that data providing information on the current situation becomes available with a time lag, distinguishing between nowcasting and forecasting. We emphasise the role of comparative analysis as cross-country differences in tax-benefit systems and population structures provide a basis to assess the robustness of results and generalise conclusions. We provide empirical illustrations drawing mainly on analysis using the EU-wide tax-benefit model EUROMOD. Covering 27 countries and made generally accessible this is now one of the most widely used models. There are many remaining challenges to providing estimates of the effects of policy and policy changes that can be used with confidence within policy analysis and we consider three major issues: reconciling the simulated income distribution and that measured using the original micro-data; accounting for benefit non take-up and tax non-compliance, as well as validating and assessing the statistical reliability of microsimulation estimates. While our main focus is on the distributio...
Tax‐benefit policies affect changes in household incomes through two main channels: discretionary policy changes and automatic stabilizers. We study their role in the EU countries in 2007–14 using an extended decomposition approach. Our results show that the two policy actions often reduced rather than increased inequality of net incomes, and so helped offset the inequality‐increasing impact of growing disparities in gross market incomes. While inequality reductions were achieved mainly through benefits using both routes, policy changes to and the automatic stabilization response of taxes and contributions raised inequality in some countries and lowered it in others.
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