Roughly 4 billion people live in cultures with a legacy of rice farm. Recent studies find that rice cultures are more interdependent than herding cultures and wheat-farming cultures. In China, people from rice-farming areas think more holistically and show less implicit individualism than people...

Bihar, India's poorest state, witnessed impressive yield growth in each of its three principal crops over 2005-17. This paper examines whether a convergence in district yields accompanied the improvement in yields at the state level, thereby reducing regional inequalities in land productivity....