00363pab a2200133 454500008004000000100001700040245007100057260000900128300001400137362000800151650002500159700001600184773002900200180718b2007   xxu||||| |||| 00| 0 eng d  aAthey, Susan  aDesigning efficient mechanisms for dynamic bilateral trading games  c2007  ap.131-36.  aMay  aBilateral agreements  aSegal, Ilya  aAmerican Economic Review