Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/102749 
Erscheinungsjahr: 
2014
Schriftenreihe/Nr.: 
ZEW Discussion Papers No. 14-078
Verlag: 
Zentrum für Europäische Wirtschaftsforschung (ZEW), Mannheim
Zusammenfassung: 
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 generate externalities and (ii) deductions are responsive to tax rate changes. While the first condition should arguably hold for almost any imaginable tax deduction, we provide a thorough empirical examination of the second condition. Relying on rich German panel data from administrative tax records, we exploit several tax reforms that were implemented in Germany between 2001 and 2008. Our baseline estimates indicate an overall ETI of 0.49 and an elasticity of deductions with respect to the net-of-tax rate of -2.80. Given that the majority of deductions in the German income tax system generate externalities, our nonzero deduction elasticity suggests that the ETI is not sufficient to calculate the welfare cost of taxation.
Schlagwörter: 
elasticity of taxable income
deductions
tax expenditures
sufficient statistic
administrative data
Germany
JEL: 
H24
H31
Persistent Identifier der Erstveröffentlichung: 
Dokumentart: 
Working Paper

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