00401pab a2200133 454500008004000000100001700040245010400057260000900161300001300170362000800183650002100191700002000212773003500232180718b2001   xxu||||| |||| 00| 0 eng d  aSarno, Lucio  aOfficial intervention in the foreign exchange market: is it effective and, if so, how does it work?  c2001  ap.839-68  aSep  aForeign exchange  aTaylor, Mark P.  aJournal of Economic Literature