000
00293nam a2200121Ia 4500
008
231018s9999||||xx |||||||||||||| ||und||
040
_a
MAIN
100
_a
Currie,J M
_9
20271
245
0
_a
Journal of economic literature
260
_a
US
_b
AEA
_c
2012
300
_a
641-1310
_b
50(3-4)
942
_c
BJ
999
_c
55250
_d
55250