We study a model of tax evasion, where a flat-rate tax only finances the provision of public goods. Deciding on reported income, each individual takes into account that the less he reports, the higher is his private consumption but the lower is his moral satisfaction. The latter depends on his...

When individuals underreport their incomes, they take into account their private gains and moral losses, the latter depending on the acquaintances’ previous underreports. We prove that under quite natural assumptions the process globally converges to the symmetric steady state.