steep caste and gender gradients and few substantive changes once children enter school. The gender gap, however, reverses …

larger for girls, children from rural households, and those with less-educated mothers. Our findings suggest that health …

dilemmas and maintening public goods in human societies. We study the development of cooperation in 929 young children, aged 3 … of defectors is applied. Children also engage in reciprocating others, showing that reciprocity strategies are already … young children fail to anticipate the benefits of reputation building. We also show that the cognitive skills of children …