Tax Progression under Collective Wage Bargaining and Individual Effort Determination

CESifo Working Paper Series, No. 2024

WZB Markets and Politics Working Paper No. SP II 2006-13

33 Pages Posted: 30 Aug 2006

See all articles by Erkki Koskela

Erkki Koskela

University of Helsinki - Department of Political and Economic Studies; CESifo (Center for Economic Studies and Ifo Institute); Bank of Finland - Research Department; IZA Institute of Labor Economics

Ronnie Schöb

Freie Universitaet Berlin; CESifo (Center for Economic Studies and Ifo Institute)

Multiple version iconThere are 2 versions of this paper

Date Written: June 2007

Abstract

We study the impact of tax policy on wage negotiations, workers' effort, employment, output and welfare when workers' effort is only imperfectly observable. We show that the different wage-setting motives - rent sharing and effort incentives - reinforce the effects of partial tax policy measures but not necessarily those of more fundamental tax reforms. Although a higher degree of tax progression always leads to wage moderation, the well-established result from the wage bargaining literature that a revenue-neutral increase in the degree of tax progression is good for employment does not carry over to the case with wage negotiations and imperfectly observable effort. While it remains true that introducing tax progression increases employment and output, we cannot rule out negative effects from an increase in tax progression when tax progression is already very high. Welfare effects are ambiguous a priori but we derive sufficient conditions for welfare improving revenue-neutral increases in tax progression.

Keywords: Wage bargaining, effort determination, tax progression

JEL Classification: J41, J51, H22

Suggested Citation

Koskela, Erkki and Schöb, Ronnie, Tax Progression under Collective Wage Bargaining and Individual Effort Determination (June 2007). CESifo Working Paper Series, No. 2024; WZB Markets and Politics Working Paper No. SP II 2006-13. Available at SSRN: https://ssrn.com/abstract=926283

Erkki Koskela

University of Helsinki - Department of Political and Economic Studies ( email )

P.O. Box 54
FIN-00014 Helsinki
Finland
+358 9 191 8894 (Phone)
+358 9 191 8877 (Fax)

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CESifo (Center for Economic Studies and Ifo Institute)

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Munich, DE-81679
Germany

HOME PAGE: http://www.CESifo.de

Bank of Finland - Research Department ( email )

P.O. Box 160
FIN-00101 Helsinki
Finland

IZA Institute of Labor Economics

P.O. Box 7240
Bonn, D-53072
Germany

Ronnie Schöb (Contact Author)

Freie Universitaet Berlin ( email )

Boltzmannstraße 20
Berlin, Berlin 14195
Germany

CESifo (Center for Economic Studies and Ifo Institute)

Poschinger Str. 5
Munich, DE-81679
Germany

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