00349nam a2200121Ia 4500020001500000082001900015100004100034245004800075260003500123300002900158500000500187700003500192  a0262025299  a382.9bB149.EW  aBagwell, Kyle and Staiger, Robert W.  aThe Economics of the World trading systemb  aMassachusettsbMIT Pressc2002  axiii, 224p. Bibl. Index.  a  aStaiger, Robert W. ; jt. auth.