NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by Denny Ellerman

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Working Papers and Chapters

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

Contact and additional information for this authorAll papers and publicationsWorking Papers onlyWorking Papers with publication info

 
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