Measuring productivity in coal mining a case study of multiple input measurement at the county level in Pennsylvania, 1919-1948

Bibliographische Detailangaben

1. Verfasser:	James, Charles Mason (VerfasserIn)
Format:	UnknownFormat
Sprache:	eng
Veröffentlicht:	Philadelphia Industrial Research Dept., Wharton School of Finance and Commerce, Universiry of Pennsylvania 1952
Schriftenreihe:	Industrial Research Dept., Wharton School of Finance and Commerce, University of Pennsylvania. Research report no. 13
Schlagworte:	Labor productivity > Pennsylvania > Coal mines and mining
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