00388pab a2200121 454500008004000000100001700040245012400057260000900181300001100190362001100201650002700212773002700239180718b1990   xxu||||| |||| 00| 0 eng d  aColvin, Mark  aLabour markets, industrial monopolisation, welfare, and imprisonmentbEvidence from a cross - section of U.S. Countries  c1990  a441-57  aSummer  aLabour Supply - U.S.A.  aSociological Quarterly