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- Title
OUTPUT AGGREGATION, NETWORK EFFECTS, AND THE MEASUREMENTS OF TRUCKING TECHNOLOGY.
- Authors
Chiang, S. Judy Wang; Friedlaender, Ann F.
- Abstract
Abstract--A multiproduct cost function for the regulated trucking industry is developed and estimated that utilizes network variables as arguments in the cost function. Using a cross-section of large regulated common carriers in 1976, it is shown that (1) substantial economies of network configuration and network operation exist, with well-connected networks and concentrated traffic flows yielding significant cost savings; and (2) the use of aggregate output measures and the omission of network variables may lead to substantial bias, indicating that researchers should use disaggregate output data in estimating trucking costs.
- Subjects
INPUT-output analysis; TRUCKING; COST control; ECONOMETRIC models; TECHNOLOGY; COST estimates; MULTIPRODUCT firms; INDUSTRIAL costs
- Publication
Review of Economics & Statistics, 1984, Vol 66, Issue 2, p267
- ISSN
0034-6535
- Publication type
Article
- DOI
10.2307/1925827