TY - BOOK AU - Bertrand,Marianne AU - Luttmer,Erzo F.P. AU - Mullainathan,Sendhil TI - Network effects and welfare cultures AV - HM131 B477N PY - 1998/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - SOCIAL NETWORKS KW - UNITED STATES KW - WELFARE RECIPIENTS KW - ECONOMICS KW - RESEARCH ER -