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How does labor supply react to different tax rates? A field inquiry


Author Info

  • Migheli, Matteo


  • Scacciati, Francesco



Participants (96 students) were divided into three groups. Subjects in Group 1 were asked their labor supply, being their income burdened by a 25% tax rate. Then they were asked their labor supply if the tax rate were 40%. Subjects in G2 were asked their labor supply with a 25% tax rate, and subjects in G3 with a 40% tax rate. We first compared labor supplies within G1; then we compared labor supplies between G2 and G3. Finally we compared the two comparisons. In G1, subjects' labor supply is different, negatively related with the tax rate: this is probably due to how the questions are put, which suggest different answers. In fact, comparing G2 and G3, the labor supply is almost the same. Students who are part-time workers and students who are not supply different amounts of labor. There is no difference at all when comparing G2 and G3 as for non-working students, being the whole difference between G2 and G3 due to working students, who probably compare the tax rate they pay on their real income to the ones suggested in the questionnaire. Singling out non-biased responders, i.e. non-working students in G2 and G3, the tax rate on income, if given, independently of its level, does not influence the labor supply.

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Bibliographic Info

Paper provided by Institute of Public Policy and Public Choice - POLIS in its series POLIS Working Papers with number 124.

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Length: 13 pages
Date of creation: Apr 2009
Date of revision:
Handle: RePEc:uca:ucapdv:124

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Keywords: labour supply; taxation; individual behaviour;

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  1. Sutter, Matthias & Weck-Hannemann, Hannelore, 2003. " Taxation and the Veil of Ignorance--A Real Effort Experiment on the Laffer Curve," Public Choice, Springer, vol. 115(1-2), pages 217-40, April.
  2. Ortona, Guido & Ottone, Stefania & Ponzano, Ferruccio & Scacciati, Francesco, 2008. "Labour supply in presence of taxation financing public services. An experimental approach," Journal of Economic Psychology, Elsevier, vol. 29(5), pages 619-631, November.
  3. Sillamaa, M. A., 1999. "Taxpayer behavior in response to taxation: comment and new experimental evidence," Journal of Accounting and Public Policy, Elsevier, vol. 18(2), pages 165-177.
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Cited by:
  1. Bondonio, Daniele, 2009. "Impact identification strategies for evaluating business incentive programs," POLIS Working Papers 129, Institute of Public Policy and Public Choice - POLIS.
  2. Marchese, Carla & Ramello, Giovanni B., 2010. "In the beginning was the Word. Now is the Copyright," POLIS Working Papers 140, Institute of Public Policy and Public Choice - POLIS.
  3. Orso, Cristina Elisa, 2009. "Formal and informal sectors: Interactions between moneylenders and traditional banks in the rural Indian credit market," POLIS Working Papers 135, Institute of Public Policy and Public Choice - POLIS.
  4. Giuranno, Michele, 2009. "The logic of party coalitions with political activism and public financing," POLIS Working Papers 134, Institute of Public Policy and Public Choice - POLIS.


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