22
Borjas, G. J.,
| American Economic Assn |
2000
,
23
24
Heckman, J. J.,
| American Economic Assn |
2000
,
25
Johnson, W.,
| American Economic Assn |
2000
,
26
Chandra, A.,
| American Economic Assn |
2000
,
27
Chay, K. Y.,
| American Economic Assn |
2000
,
28
Deshpande, A.,
| American Economic Assn |
2000
,
29
Sherer, G,
| American Economic Assn |
2000
,
30
Mason, P. L.,
| American Economic Assn |
2000
,
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