A number of studies document an in-group bias in social dilemma situations. While group structure and dynamics are important in shaping in-group favouritism, less attention has been paid to individual characteristics affecting favouritism. Using data from dictator games conducted among 523...

It is widely acknowledged that top-down support is essential for bottom-up participatory projects to be effectively implemented at scale. However, which level of government, national or sub-national, should be given the responsibility to implement such projects is an open question, with wide...