This paper contains an empirical analysis of income tax noncompliance in Switzerland, based on the standard model of tax evasion. Noncompliance is found to be positively related to the marginal tax burden and negatively to the probability of audit, though the latter impact is only weak. There is no evidence of a significant deterrent effect of the penalty tax. The extended model reveals that noncompliance is positively related to inflation. Finally, noncompliance is significantly lower when citizens/taxpayers have direct control over government budgets, whereas the opposite holds when there is no such control.
Pommerehne, W. W., &Weck-Hannemann, H. (1996). Tax rates, tax administration and income tax evasion in Switzerland. Public Choice, 88(1-2), 161-170.