00374pab a2200145 454500008004000000100002000040245004200060260000900102300001700111362000800128650002200136700001900158700002200177773002900199180718b2014 xxu||||| |||| 00| 0 eng d aDahl, Gordon B. aPeer effects in program participation c2014 ap.2049-2074. aJul aPeer relationship aMogstad, Magne aLoken, Katrine V. aAmerican Economic Review