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How to Improve Tax Compliance? Evidence from Population-wide Experiments in Belgium

Jan-Emmanuel De Neve (), Clément Imbert, Maarten Luts, Johannes Spinnewijn () and Teodora Tsankova

No 13733, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We study the impact of deterrence, tax morale, and simplifying information on tax compliance. We ran five experiments spanning the tax process which varied the communication of the tax administration with all income taxpayers in Belgium. A consistent picture emerges across experiments: (i) simplifying communication increases compliance, (ii) deterrence messages have an additional positive effect, (iii) invoking tax morale is not effective. Even tax morale messages that improve knowledge and appreciation of public services do not raise compliance. In fact, heterogeneity analysis with causal forests shows that tax morale treatments backfire for most taxpayers. In contrast, simplification has large positive effects on compliance, which diminish over time due to follow-up enforcement. A discontinuity in enforcement intensity, combined with the experimental variation, allows us to compare simplification with standard enforcement measures. Simplification is far more cost-effective, allowing for substantial savings on enforcement costs, and also improves compliance in the next tax cycle.

Date: 2019-05
New Economics Papers: this item is included in nep-exp
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Related works:
Journal Article: How to Improve Tax Compliance? Evidence from Population-Wide Experiments in Belgium (2021) Downloads
Working Paper: How to improve tax compliance? Evidence from population-wide experiments in Belgium (2021) Downloads
Working Paper: How to Improve Tax Compliance? Evidence from Population-wide Experiments in Belgium (2020) Downloads
Working Paper: How to Improve Tax Compliance? Evidence from Population-wide Experiments in Belgium (2020) Downloads
Working Paper: How to improve tax compliance? Evidence from population-wide experiments in Belgium (2019) Downloads
Working Paper: How to improve tax compliance? Evidence from population-wide experiments in Belgium (2019) Downloads
Working Paper: How to Improve Tax Compliance? Evidence from Population-wide Experiments in Belgium (2019) Downloads
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