Accounting for the spouse when measuring inequality of opportunity
In: Discussion paper 15-034
In: International distribution and redistribution
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In: Discussion paper 15-034
In: International distribution and redistribution
In: CESifo working paper series 3219
In: Public finance
Income inequality in Germany has been continuously increasing during the past 20 years. In general, this is understood as an increase in inequality of wages due to changes in bargaining power of employees. However, the role of changing household structure is widely neglected. Societal trends like a decline in birth rate and an increase in the risk of divorce affect per capita incomes, which has repercussions for the income distribution even if wages remain constant. The aim of this paper is to quantify the proportion of changing household structures in the increase in inequality. We find that the rise in inequality was indeed more due to changes of household structure and employment behavior rather than changes in wages. Moreover, a large part of this increase is compensated by the welfare state.
In: FiFo-CPE discussion papers No. 2008,5
The potential economic outcomes resulting from a flat rate of income tax have been the subject of an ongoing academic and political debate. Many observers have suggested that the introduction of a flat tax would be beneficial for a country's economy, having a positive influence on the labor market and the gross domestic product by enhancing incentives to work, save, invest, and take risks. A flat tax also significantly simplifies income taxation which increases tax compliance and reduces tax planning, avoidance, and evasion. However, despite flat taxes being on the political agenda in many countries, in practice their implementation has mostly been restricted to the transition economy countries of Eastern Europe. There is no one single flat tax system in place in these countries though; one rate does not fit all.
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In: FiFo-CPE Discussion Paper No. 08-6
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The flat tax idea has given rise to an ongoing debate both in academics and politics. Further on, it has recently been very successful, especially in transition countries in Eastern Europe. Although flat taxes are high on the political agenda in various Western European countries, they have not been implemented in these grown-up welfare states. The introduction of a flat tax with a basic tax allowance, a low uniform marginal tax rate, and a broad tax base as a reform of existing tax systems is supposed to have several advantages. Most importantly, positive effects on employment and GDP as well as reduced tax distortions are expected. In addition, flat tax reforms are thought to reduce administration and compliance costs as well as incentives for tax avoidance or evasion. However, the distributional effects seem to prevent a flat tax adoption in democracies with a well-established middle class. The motivation of this book is to identify hereby the driving forces behind the economic effects of a flat tax reform. There are two dimensions to be considered that are mutually interdependent: the details of the reform and the environment of its implementation. First, the flat tax design (e.g. parameters such as marginal rate and allowance, tax base simplification or cash flow corporate taxation) plays an important role for the results. Second, the results crucially depend on the country under observation. The underlying income distribution and demographic structure as well as the institutional background (i.e. the tax benefit system, welfare state) are decisive for the outcome of such a reform. The present book contributes to the existing literature in various ways. First, we provide a comprehensive survey of the state-of-the-art in simulation modelling for the ex-ante analysis of tax reform proposals. Second, we analyse and compare different types of welfare states and tax benefit systems especially with respect to the distribution and redistribution of income to explain differing results across countries. Third, we conduct an extensive analysis of the key sources of the economic outcomes of flat tax reforms. For this purpose, the extended methodology of simulation analysis is applied to analyse different hypothetical flat tax scenarios and the impact of their key elements (tax base simplification, marginal tax rate and basic allowance) on equity and efficiency for Germany and the other EU-15 countries in a common microeconometric framework. The analysis differs from the existing literature mainly by analysing the distributional effects as well as the effects on welfare and employment in a uniform simulation model and by applying a systematic approach for choosing the flat tax parameters. As stated above, the aim of this book is to identify the conditions which mainly influence the economic effects of a flat tax reform. The setup of this analysis is as follows. Chapter 2 introduces the methodology. Chapter 3 analyses the relevance of the flat tax design. In chapter 4, the European countries are compared regarding their institutional background and the underlying income distribution. In chapter 5, the role of these country specific aspects and their impact for possible flat tax reforms is investigated. Chapter 6 draws conclusions. At last, what can be learnt from our analysis is that the flatness of the tax schedule itself is not a key feature of the economic success of a tax reform. Other elements (simplification, increased compliance, corporate taxation) play a more important role. However, a flat tax reform can indeed overcome the fundamental equity efficiency trade-off. This is only true in two specific cases: first, for Mediterranean countries with highly polarised income distributions, and second, for Germany in the long-run if accounting for general equilibrium effects. Therefore, due to its adverse short-term distributional effects, the chances that the flat tax idea will invade the grown-up democracies of Western Europe are rather low. However, a further movement towards lower (marginal) tax rates with broader and simpler tax bases shall be observed. This, however, could eventually lead to tax benefit systems moving closer to linearity, albeit without an actual flat tax schedule.
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In diesem Beitrag wird die Simulationsanalyse als eine Methode zur empirischen Evaluation von Steuerreformen präsentiert und ein Überblick über die empirische Literatur gegeben. Simulationsanalysen im Bereich der Steuer- und Sozialpolitik können als ökonomisches Experiment verstanden werden, um die komplexen Auswirkungen und insbesondere die Beschäftigungseffekte einer Reform des Steuer- und Transfersystems ex ante zu quantifizieren und anhand dieser Berechnungen eine Entscheidungshilfe für die Auswahl der besten Alternative zu bieten. Im Rahmen dieser Arbeit werden fünf verschiedene Modellklassen vorgestellt, miteinander verglichen und jeweils mögliche Anwendungsgebiete beispielhaft präsentiert. Bei den makroökonometrischen Modellen haben sich die allgemeinen Gleichgewichtsmodelle gegenüber den makroökonomischen Modellen, bei den mikroökonometrischen Modellen die Mikrosimulationsmodelle gegen die Gruppensimulationsmodelle durchgesetzt. CGE-Modelle betrachten die gesamtwirtschaftlichen Effekte und basieren auf hoch aggregierten Daten, während die partialanalytischen Mikrosimulationsmodelle auf Mikrodaten zurückgreifen und deshalb die Modellierung viel komplexerer Regelungen und Reformen ermöglichen. In letzter Zeit ist mit den kombinierten Mikro-Makro-Simulationsmodellen eine neue Klasse entstanden, die die Vorteile beider Varianten zu nutzen versucht.
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In: ifo working papers 242
We present the first randomized survey experiment in the context of tax compliance to assess the role of social norms and reciprocity for intrinsic tax morale. We find that participants in a reciprocity treatment have significantly higher tax morale than those in a social-norm treatment. This suggests that a potential backfire effect of social norms is outweighed if the consequences of violating the social norm are made salient. We further document the anatomy of intrinsic motivations for tax compliance and present first evidence that previously found gender effects in tax morale are not driven by differences in risk preferences.
In: Discussion paper 16-065
In: International distribution and redistribution
In: Finanzwissenschaftliche Diskussionsbeiträge Nr. 06-2
In diesem Beitrag wird die empirische allgemeine Gleichgewichtsanalyse als Methode zur empirischen ex ante Evaluation komplexer ökonomischer Auswirkungen von Steuerreformen vorgestellt und ein Überblick über die empirische Literatur gegeben. Den vielfältigen Anwendungsgebieten dieser Methode sind kaum Grenzen gesetzt. Zunächst wird die theoretische Modellstruktur anhand eines einfachen Grundmodells erläutert, welches in den folgenden Abschnitten sukzessive bis zur Umsetzung des theoretischen Rahmens in ein angewandtes, rechenbares Gleichgewichtsmodell erweitert wird. Die Modellimplementierung durch die sog. Kalibrierung und die ökonometrische Schätzung werden ebenso thematisiert wie die Konstruktion eines mikroökonomisch konsistenten Datensatzes. Schließlich wird ein kurzer Überblick über relevante ökonomische Fragestellungen und Beispiele für deren empirische Untersuchung gegeben, sowie zukünftiger Forschungsbedarf aufgezeigt.
In: CESifo Working Paper No. 9799
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Die sozialen Sicherungssysteme müssen reformiert werden, damit sie im demografischen Wandel finanzierbar bleiben. Es gilt, das Erwerbspersonenpotenzial auf dem Arbeitsmarkt besser auszuschöpfen. Durch eine Verbesserung der Kindertagesbetreuung und den Umbau des Ehegattensplittings sollte die Politik insbesondere die Frauen- und Müttererwerbstätigkeit fördern. Um Anreize für Arbeitnehmer*innen im Niedrigeinkommenssegment zu schaffen, müssen die bestehenden Hartz-IV-Hinzuverdienstregelungen ausgeweitet und die hohen Grenzbelastungen beim Hinzuverdienst reduziert werden.
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In dieser Studie untersuchen wir die Beschäftigungsanreize des deutschen Steuer-, Abgaben- und Transfersystems. Um die Anreizwirkungen von Steuern und Transferleistungen zu beurteilen, stellt man typischerweise die Frage, wie stark ihr verfügbares Einkommen steigt, wenn eine Person das Arbeitsangebot ausweitet. Während die effektive Grenzbelastung ("intensive margin") relevant ist, um die Anreize bei Entscheidungen über kleine Änderungen im Arbeitsangebot zu analysieren, erweitert die Darstellung von Partizipationsbelastungen die Analyse um diskrete Entscheidungen. Diskrete Entscheidungen sind beispielsweise die prinzipielle Aufnahme einer Erwerbstätigkeit oder der Wechsel von einer Teil- zu einer Vollzeitbeschäftigung. Solche Entscheidungen werden als Entscheidungen an der "extensive margin" bezeichnet. Die Partizipationsbelastung gibt an, wie viel Prozent des gesamten individuellen Bruttoeinkommens als Steuern und Abgaben sowie durch Transferentzug einbehalten werden. Die berechneten Partizipationsbelastungen legen also auch offen, wie groß der Lohnabstand ist. [.] ; Studie im Auftrag der Bertelsmann Stiftung. ; In this study,we examine indicators for labor supply incentives of theGermantax and transfer system. To assess incentives of taxes and transfer policies, one typically asks how much the disposable household income is increasing when a person expands his or her labor supply. The effective marginal tax rate is relevant to determine the incentives to take decisions about small changes in labor supply (the "intensive margin"). This study additionally includes the display of participation tax rates (PTR) to analyze discrete decisions. Examples for discrete decisions are the general decision of taking up or changing employment from a part-time to a full-time job. Such decisions are referred to as decisions at the "extensive margin". The PTR indicates what percentage of total individual gross income is taxed away and withdrawn due to transfer reduction. The calculated PTR therefore also reveals how large the net wage increase is. In this study, we examine the question which central elements of the tax system, the social security contribution system and which transfer policies determine the level of PTR. We also investigate how the PTR has developed in real terms over time. Different political sides regularly criticize the phenomenon of "bracket creep" in Germany, i.e. the increase in the tax burden over time due to a delayed adjustment of the income tax brackets to the nominal wage growth. We examine this aspect in terms of the overall tax and transfer system. [.]
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