Taking the High Road? Compliance with commuter tax allowances and the role of evasion spillovers

We provide first field evidence on evasion spillovers as an important determinant of the individual compliance decision. Exploiting discontinuities in a self-reported commuter tax allowance, we observe a substantial share of taxpayers misreporting their claims. Using exogenous variation in job changes we find that individual evasion decisions are influenced by the compliance behaviour of other co-workers, with job changers from low- to high-cheating companies starting to evade much more after they move. In contrast, movers from high- to low-cheating companies do not alter their reporting. The most likely explanation is information transmission, including increased knowledge about the possibilities for non-compliance.