00496nam a2200121Ia 450000500170000008000170001710000200003424501040005426000280015830000100018652001600019658300180035620260716043931.0  a09.05.02 E34  aEicher, Theo S.  aIn search of WTO trade effects : preferential trade agreements promote trade strongly, but unevenly  bIMFaWashingtonUSc2009  a30 p.  aShows in this paper that WTO does not boost trade among its members, rather, regional and bilateral preferential agreements strongly influence trade flows.  c3/13/09kJOYD