Newman, John L. Family productivity, labor supply, and welfare in a low-income country / John L. Newman & Paul J. Gertler - Washington, D.C. : World Bank (WB) , 1992 - x, 54p. ; 27 cm. - LSMS working paper, no. 87 0253-4517 ; . Includes bibliographical references (p. 45-46). ISBN: 0821322532 Subjects--Topical Terms: Income--PeruFarm income--PeruWages--PeruLabor supply--PeruFamilies--Economic aspects--PeruHousehold surveys--PeruWelfare economics Gov. Doc. Class. No.: UN WB LSMS WP-87