search query: @author Christensen, L. R. / total: 4
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1.
Reducing vehicle fleet costs : A case study.
International Journal of Physical Distribution and Materials Management
1986 : VOL. 16:1, p. 63-72
 1986 Eastburn, M. P.
Christensen, L. R.
2.
Multilateral comparisons of output, input, and productivity using superlative index numbers.
Economic Journal
1982 : MAR, VOL. 92:365, p. 73-86
 1982 Caves, D. W.
Christensen, L. R.
Diewert, W. E.
3.
Productivity growth, scale economies, and capacity utilization in U. S. railroads, 1955-74.
American Economic Review
1981 : DEC, VOL. 71:5, p. 994-1002
 1981 Caves, D. W.
Christensen, L. R.
Swanson, J. A.
4.
The relative efficiency of public and private firms in a competitive environment: the case of Canadian railroads.
Journal of Political Economy
1980 : OCT, VOL. 88:5, p. 958-976
 1980 Caves, D. W.
Christensen, L. R.
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