000
00290nam a2200121Ia 4500
008
231018s9999||||xx |||||||||||||| ||und||
040
_a
MAIN
100
_a
Currie,J M
_9
20270
245
0
_a
Journal of economic literature
260
_a
US
_b
AEA
_c
2012
300
_a
1-640
_b
50(1-2)
942
_c
BJ
999
_c
55249
_d
55249