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Author(s):
Leonard, Kenneth L.
Date:
1998
Subject:
Economics, Public health
Content Type:
Working papers
Publisher:
Department of Economics, Columbia University
Persistent URL:

Author(s):
Leonard, Kenneth L.; Leonard, David K.
Date:
1998
Subject:
Economics, Public health
Content Type:
Working papers
Publisher:
Department of Economics, Columbia University
Persistent URL:

Author(s):
Leonard, Kenneth L.
Date:
1998
Subject:
Economics, Public health
Content Type:
Working papers
Publisher:
Department of Economics, Columbia University
Persistent URL:

Author(s):
Gallup, John Luke; Sachs, Jeffrey D.
Date:
1998
Subject:
Economics, Public health
Content Type:
Articles
Persistent URL:

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