Denny Ellerman

36 Lancaster St
Cambridge, MA 02140
Tel: 617-492-6026

E-Mail: no email available
Institutional Affiliation: retired

NBER Working Papers and Publications

January 2001Sources of Productivity Growth in the American Coal Industry 1972-95
with Thomas Stoker, 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
1050 Massachusetts Ave.
Cambridge, MA 02138

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