Christopher B. BarrettHanming Fang and Glenn C. LouryJean-Yves Duclos and Joan Esteban and Debraj RayLawrence E. BlumeSamuel BowlesIndraneel Dasgupta and Ravi KanburKarla Hoff and Arijit SenGeorge A. Akerlof and Rachel E. KrantonChristopher B. BarrettChristopher R. Udry and Timothy G. ConleyMichael R. Carter and Marco CastilloMarcel FafchampsAndrew D. FosterEliana La FerraraTatiana Goetghebuer and Jean-Philippe Platteau

List of figures	p. vii
List of tables	p. ix
List of contributors	p. xiii
Acknowledgments	p. xvii
1 On the relevance of identities, communities, groups, and networks to the economics of poverty alleviation	p. 1
2 Toward an economic theory of dysfunctional identity	p. 12
3 Polarization: concepts, measurement, estimation	p. 56
4 Evolutionary equilibrium with forward-looking players	p. 106
5 Is inequality an evolutionary universal?	p. 125
6 Bridging communal divides: separation, patronage, integration	p. 146
7 The extended family system and market interactions	p. 171
8 Social divisions within schools: how school policies can affect students' identities and educational choices	p. 188
9 Smallholder identities and social networks: the challenge of improving productivity and welfare	p. 214
10 Social networks in Ghana	p. 244
11 Coping with disaster: morals, markets, and mutual insurance-using economic experiments to study recovery from Hurricane Mitch	p. 268
12 The role of ethnicity and networks in agricultural trade: evidence from Africa	p. 288
13 Altruism, household co-residence and women's health investment in rural Bangladesh	p. 317
14 Self-help groups and income generation in the informal settlements of Nairobi	p. 337
15 Community ties and land inheritance in the context of rising outside opportunities: evidence from the Peruvian Highlands	p. 361