The two sides of envy, destructive and constructive, give rise to qualitatively different equilibria, depending on the economic, institutional, and cultural environment. If investment opportunities are scarce, inequality is high, property rights are poorly protected, and social comparisons are...

The evil eye belief is a widespread superstition according to which people can cause harm by a mere envious glance at coveted objects or their owners. This paper argues that such belief originated and persisted as a useful heuristic under conditions in which envy was likely to trigger...

This paper examines the relationship between witchcraft beliefs, a deep-rooted cultural phenomenon, and trust, an integral element of social capital. We argue that witchcraft beliefs erode trust and cooperation and exploit novel survey data from nineteen countries of Sub-Saharan Africa to test...

The evil eye belief is a widespread superstition according to which people can cause harm by a mere envious glance at coveted objects or their owners. This paper argues that such belief originated and persisted as a useful heuristic under conditions in which envy was likely to trigger...

This paper presents a new global dataset on contemporary witchcraft beliefs and investigates their correlates. Witchcraft beliefs cut across socio-demographic groups but are less widespread among the more educated and economically secure. Country-level variation in the prevalence of witchcraft...

Headhunting is the practice of acquiring human heads for ritual purposes that was historically widespread around the world. We hypothesize that headhunting emerged as a cultural response to frequent inter-tribal warfare and served as a mechanism to train warriors ready to defend their community....