In 2001 the Italian government introduced a personal income tax reform to be implemented in successive phases. In 2004 taxes were reduced to all income levels with higher gains for low-income and high-income individuals than for middle-income ones. A large debate arised. This paper explores the...

We analyze survey evidence on individuals' willingness to sanction law violations – such as evading taxes, drunk driving and fare dodging – by disapproval or social exclusion. Our data show that people condition their willingness to sanction a norm violation on their belief about its...