Scandinavian Working Papers in Economics
Working Papers in Economics,
University of Gothenburg, Department of Economics
No 729: Multiple Misbehaving:Loss Averse and Inattentive to Monetary Incentives
Per Engström (), Katarina Nordblom () and Arnaldur Stefansson ()
Additional contact information
Per Engström: Department of Economics and UCFS, Uppsala University, Sweden, Postal: P.O. Box 640, SE 40530 GÖTEBORG, Sweden
Katarina Nordblom: Department of Economics, School of Business, Economics and Law, Göteborg University, Postal: P.O. Box 640, SE 40530 GÖTEBORG, Sweden
Arnaldur Stefansson: Department of Economics, UCFS and UCLS, Uppsala University, Sweden, Postal: P.O. Box 640, SE 40530 GÖTEBORG, Sweden
Abstract: We study what determines taxpayers’ deduction behavior when filing tax returns. Pre-liminary deficits might be viewed as losses assuming zero preliminary balance as reference point. Swedish taxpayers may escape these losses by claiming deductions after receiving information about the preliminary balance. Furthermore, the Swedish income tax system has a substantial kink (20 percentage points) where the central government tax applies. Taxpayers slightly above the governmental tax kink have substantially higher (standard economic) incentives to claim deductions than taxpayers slightly below the kink. Using a regression kink and discontinuity approach with individual fixed effects, we study a panel of 4.1 million Swedish taxpayers in 1999 to 2006. We find strong causal effects of preliminary deficits on the probability of claiming deductions. The initial em-pirical evidence for a kink in deduction probability at the central government threshold, anticipated by standard economic theory, is weaker but significant. However, a more detailed analysis reveals that the kink at the tax threshold is not likely due to the tax incentives per se. When controlling for the preliminary tax deficit, the kink at the tax threshold disappears. Taxpayers just above the tax kink are namely more likely to run a preliminary tax deficit than those just below it. Hence, the most plausible explanation also for the kink at the tax threshold is therefore loss aversion and not standard economic incentives. The Swedish taxpayers are thus “misbehaving”, in a Thaler (2015) sense, on two separate margins: they are highly loss averse but surprisingly inattentive to standard monetary incentives.
Keywords: tax compliance; loss aversion; prospect theory; quasi-experiment; regression kink; regression discontinuity
39 pages, April 2018
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