TY - BOOK AU - Ashenfelter,Orley AU - Ashmore,David AU - Deschenes,Olivier TI - Do unemployment insurance recipients actively seek work? randomized trials in four U.S. States AV - HD7096 .U6 A833D PY - 1999/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - INSURANCE, UNEMPLOYMENT KW - UNITED STATES KW - UNEMPLOYMENT ER -