NBER

Thomas Stoker

Sloan School of Management
Massachusetts Institute of Technology
50 Memorial Drive
Cambridge, MA 02139

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Massachusetts Institute of Technology

NBER Working Papers and Publications

January 2001Sources of Productivity Growth in the American Coal Industry 1972-95
with Denny Ellerman, Ernst R. Berndt
in New Developments in Productivity Analysis, Charles R. Hulten, Edwin R. Dean and Michael J. Harper, editors

National Bureau of Economic Research
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info@nber.org

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