000 00259nam a2200109Ia 4500
008 150526s9999 xx 000 0 und d
082 _a804/MUL
100 _aSendhil Mullainathan Eldar Shafir
245 _aScarcity
260 _a2013
_bPenguin
300 _a288
999 _c351101
_d351101