Tax fraud is a serious problem for fiscal authorities worldwide, not only in countries regarded as "hightax" like Germany. Besides longterm tax reforms, tax amnesties are used to bring back taxable amounts into the legal sector. The German tax amnesty of 2004/2005 was one of the last examples in...

We characterize equilibria of an income reporting game with bounded returns and no commitment where detected tax evaders are charged the maximally feasible amount. Introducing partial commitment to punishment relief eliminates multiplicity of equilibria. We identify a unique limit equilibrium...