00322pab a2200121 454500008004000000100001900040245004100059260000900100300001100109362001000120650002200130773004800152180718b1983   xxu||||| |||| 00| 0 eng d  aCooper, A.G.B.  aNegative income tax and unemployment  c1983  a875-84  aSept.  aIncome Tax - U.K.  aJournal of the Operational Research Society