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REVIEW OF THE LITERATURE ON FREIGHT TRANSPORTATION
THE TWOMARKET MULTIMODE TRANSPORTATION MODEL
APPENDIX B TO CHAPTER III
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aggregate ANALYSIS OF VARIANCE Animals and Products annual tonnage approsch associated costs average revenue curve barge Benishay carriers changes Chapter CM CM coefficient of determination commodity classes commodity groups cost curve curve for Mode demand curve demand equations demand for transportation demand functions distance coefficient dummy variable empirical equilibrium ESTIMATED COEFFICIENTS estimating equations exports Final Coefficient Estimates freight rates Group 29 increase Interstate Commerce Commission investigations linear linear programming marginal cost miles modal split Mode Two's modes of transport monopolist negative Northwestern University observations parameter estimates positive Products of Mines quality costs quantity variable rail data rail quantity Rail Rate Regressions rail transport rate equations Reduction due region shipper Table tH CM three-mode model timates tions ton-miles tons trans transport cost transport demand transport rate transportation industry transportation market transportation model truck rate truck shipments utilized variance water data water shipments