We study the evolution of belief systems that suppress productive effort. These include concerns about the envy of others, beliefs in the importance of luck for success, disdain for competitive effort, and traditional beliefs in witchcraft. We show that such demotivating beliefs can evolve when...

Though many theories have been advanced to account for global differences in economic prosperity, little attention has been paid to the oldest and most fundamental of human institutions: kin-based institutions---the set of social norms governing descent, marriage, clan membership, post-marital...

Combining theoretical work with careful historical description and analysis of new data sources, History Matters makes a strong case for a more historical approach to economics, both by argument and by example. Seventeen original essays, written by distinguished economists and economic...