Per Engström (),
Katarina Nordblom (),
Henry Ohlsson () and
Annika Persson Additional contact information Per Engström: Department of Economics, Postal: Department of Economics, Uppsala University, P.O. Box 513, SE-751 20 Uppsala, Sweden
Annika Persson: The Swedish Tax Agency
Abstract:
The objective of this paper is to study if taxpayers behave in a loss averse manner when filing their tax returns. This is important for tax design but also for understanding human behavior in general. The predictions of prospect theory can be contrasted to those of expected utility theory. We use data for 3.6 million Swedish taxpayers for the income year 2006. Our research method is quasi-experimental using a regression kink and discontinuity approach. We also use an alternative instrumental-variables approach. There is strong evidence of loss aversion. We estimate the coefficient of loss aversion using actual behavior and the instrument-variables approach. Our estimate is very close to the estimates reported in the experimental literature.
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