Economic and social interaction takes place between individuals with heterogeneous characteristics. We investigate experimentally the emergence and informal enforcement of different contribution norms to a public good in homogeneous and different heterogeneous groups. When punishment is not...

To understand Iceland's political situation, it is necessary to consider the historical background to the post-crash constitutional revision process launched in 2009. Also, the paper offers a brief account of some aspects of the constitution-making process during 2010-2013, including the work of...

Recent theories of the Long Divergence between Middle Eastern and Western European economies focus on Middle Eastern (over-)reliance on religious legitimacy, use of slave soldiers, and persistence of restrictive proscriptions of religious (Islamic) law. These theories take as exogenous the...