Tax Competition with Formula Apportionment: The Interaction between Tax Base and Sharing Mechanism

24 Pages Posted: 2 Oct 2007

See all articles by Martin Kolmar

Martin Kolmar

University of St. Gallen - Institute of Economy and the Environment (IWOe-HSG); CESifo (Center for Economic Studies and Ifo Institute)

Andreas Wagener

Leibniz Universität Hannover - Economics and Business Administration Area; CESifo (Center for Economic Studies and Ifo Institute for Economic Research); Vienna University of Economics and Business Administration

Date Written: September 2007

Abstract

The EU Commission is advocating a common consolidated tax base for the corporate income tax, accompanied by a revenue sharing mechanism based on formula apportionment. We analyse tax competition in such a regime, focussing on the interaction between the definition of the tax base and the apportionment method. Tax competition leads to suboptimally low tax rates if and only if the investment elasticity of the tax base is lower than the investment elasticity of the apportionment factor. For any apportionment method a change in the definition of the tax base can turn a race-to-the-bottom in tax competition into a race-over-the-top.

Keywords: tax competition, formular apportionment, corporate income tax

JEL Classification: H77, H25, F23

Suggested Citation

Kolmar, Martin and Wagener, Andreas, Tax Competition with Formula Apportionment: The Interaction between Tax Base and Sharing Mechanism (September 2007). CESifo Working Paper No. 2097, Available at SSRN: https://ssrn.com/abstract=1018337

Martin Kolmar

University of St. Gallen - Institute of Economy and the Environment (IWOe-HSG) ( email )

Varnbüelstrasse 14
CH-9000 St. Gallen
Switzerland
+41 (0)71 224 25 35 (Phone)
+41 (0)71 224 23 02 (Fax)

CESifo (Center for Economic Studies and Ifo Institute)

Poschinger Str. 5
Munich, DE-81679
Germany

Andreas Wagener (Contact Author)

Leibniz Universität Hannover - Economics and Business Administration Area ( email )

Koenigsworther Platz 1
30167 Hannover
Germany

CESifo (Center for Economic Studies and Ifo Institute for Economic Research)

Poschinger Str. 5
Munich, DE-81679
Germany

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

Vienna University of Economics and Business Administration ( email )

Welthandelsplatz 1
Vienna, Wien 1020
Austria

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