00401pab a2200133 454500008004000000100002000040245008400060260000900144300001300153362000800166650002400174700002100198773004800219180718b1995   xxu||||| |||| 00| 0 eng d  aPortugal, Pedro  aShort and long-term unemploymentba parametric model with time varying effects.  c1995  ap.205-27  aMay  aUnemployment - U.K.  aAddison, John T.  aOxford Bulletin of Economics and Statistics