00389pab a2200145 454500008004000000100001700040245005800057260000900115300001500124362000800139650002400147700002300171700002000194773002900214180718b2010   xxu||||| |||| 00| 0 eng d  aHorn, Henrik  aTrade agreements as endogenously incomplete contracts  c2010  ap.394-419.  aMar  aInternational trade  aStaiger, Robert W.  aMaggi, Giovanni  aAmerican Economic Review