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A FRAMEWORK FOR PUBLIC
Demand for and costs of inland waterway transportation
APPENDIXES TO CHAPTER 1
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analysis Arrival at Lock Average delay cost barge days barge flotilla bargeline boats and barges capital stock cargo arrivals cargo awaiting channel commodity Common Carrier computer simulation congestion costs Corps of Engineers cost per tow delay points demand function distribution Downbound downstream efficiency empty barges equations equilibrium equipment Exit from Lock feet Figure fleet flow Gulf Intracoastal Waterway horsepower Illinois Waterway improvements increase inland waterway inputs Kort nozzle level of traffic line-haul loading barges Lock 1 Arrival Lock 1 Exit lock chamber marginal delay costs measure miles Mississippi Missouri River month navigation number of barges number of empty number of loads Ohio River opportunity costs optimum parameters predicted production function queue length rate of output Region relative frequency returns to scale speed spring season Table tion ton-miles towboat traffic level U.S. Army unloading upbound arrival rate upstream variables waterway system waterway transportation width