00518nam a2200085Ia 4500100002400000245005900024260000900083520032100092583001900413  aFRANKEL, Jeffrey A.  aRegional trading agreements : natural or supernatural?  c1996  aSummarizes recent research which evaluated the trade-off between trade creation and trade diversion.  Concludes that the desirability of regional trading agreements depends on whether the extent of regionalisation exceeds an optional level that is determined by the magnitude of transportation costs between regions.  c3/7/00kM2LMGR