product to the customers. Several transportation channels are available between nodes in each echelon, with different … transportation costs and times. The decision variables are the opening of distribution centers from a discrete set, the selection of … the transportation channels, and the flow between facilities. The problem is modeled as a bi-objective mixed …

. The buyer faces stepwise freight costs in inbound transportation and a hybrid wholesale price schedule given by a …

Extensive utilisation of logging residues, straw, and energy crops will lead to short transportation distances and thus … low transportation costs. The average distance of transportation of biomass to a large-scale conversion plant, suitable … production. With present production conditions, resulting in a biomass potential of 220 PJ/yr, the transportation distance is …

information used, the utility of Internet/travel agencies in planning travel trip activities, preferred means of transportation … when planning a trip. Young tourists prefer cars and planes as means of transportation for a trip and hotels and …

This paper tests the external spillover effects of the transportation on China’s economic growth from the theoretical … positive externality in the transportation. After that, the authors collect the data of the 28 provinces in China from 1985 to … transportation do exist; (2) From 1985 to 2006, the transportation contributed 24.8 billion yuan to China's GDP every year: in this …