In Germany, two observations can be tracked over the past 15 to 20 years: First, income inequality has constantly increased while, second, the average household size has been declining dramatically. The analysis of income distribution relies on equivalence-weighted incomes, which take into...

In Germany, two observations can be made over the past 20 years: First, income inequality has been constantly increasing while, second, the average household size has been declining dramatically. The analysis of income distribution relies on equivalence-weighted incomes which take into account...

This paper describes IZAΨMOD, the policy microsimulation model of the Institute for the Study of Labor (IZA). The model uses household microdata from the German Socio-Economic Panel Study and firm data from the German linked employer-employee dataset LIAB. IZAΨMOD consists of three components:...

The elasticity of taxable income (ETI) is often interpreted as a sufficient statistic to assess the welfare costs of taxation. Building on the conceptual framework of Chetty (2009), we show that this assertion does no longer hold for tax systems with deduction possibilities if (i) deductions...

It is widely believed that globalization increases the volatility of employment and decreases the bargaining power of workers. One mechanism explaining this relationship is given by the long-standing Hicks-Marshall laws of derived demand: with international trade increasing competition and...

This paper employs a multidimensional approach for the measurement of well-being at the top of the distribution using German SOEP micro data. Besides income as traditional indicator for material well-being, we include health as a proxy for nonmaterial quality of life as well as self-reported...

In der Debatte über die Neuordnung der Einkommensbesteuerung in Deutschland gilt die Steuervereinfachung als eines der zentralen Reformziele. Das liegt nicht nur daran, dass das bestehende komplizierte System den Steuerpflichtigen und den Finanzbehörden hohe Verwaltungskosten aufbürdet. Die...

This paper investigates the impact of tax simplification on various indicators of the efficiency of the tax system and on the distribution of income. The analysis is based on a simulation model (FiFoSiM) using German income tax and household survey microdata. We model tax simplification as the...

In der Debatte über eine Reform des deutschen Einkommensteuersystems wird immer wieder die Einführung einer Flat Rate Tax gefordert. Üblicherweise bestehen solche Vorschläge aus den Elementen Verbreiterung der Bemessungsgrundlage, Erhöhung des Grundfreibetrags und Einführung eines (relativ...

Angesichts der dramatischen demographischen Entwicklung in Deutschland hat das Interesse der Politik an der wirtschaftlichen und sozialen Situation von Haushalten mit Kindern in den letzten Jahren stark zugenommen. Das gilt nicht zuletzt auch für den Bereich der Steuerpolitik. Im vorliegenden...