000 00292nam a2200121Ia 4500
008 200208s9999 xx 000 0 und d
082 _aJEP
245 0 _aJournal of Economic Perspective
245 0 _nv.14(3-4)
260 _aU.S.A
260 _bAmerican Economic Association
942 _cBV
999 _c139857
_d139857