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Author(s):
Davis, Donald R.; Harrigan, James; Columbia University. Economics
Date:
2007
Subject:
Economics, Labor
Content Type:
Working papers
Permanent URL:
http://hdl.handle.net/10022/AC:P:441

Author(s):
Verhoogen, Eric A.; Columbia University. Economics
Date:
2007
Subject:
Economics, Labor
Content Type:
Working papers
Permanent URL:
http://hdl.handle.net/10022/AC:P:440

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