根除 发表于 2025-3-23 09:46:06
Michael A. Sackville,Colin J. Braunernderutilized, this ‘extra’ traffic can be produced by the existing system, without additional investment, and one has to decide, whether or not to count the ‘extra’ traffic as a part of the return on the new investment.agnostic 发表于 2025-3-23 13:52:25
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http://reply.papertrans.cn/16/1539/153829/153829_13.pngInclement 发表于 2025-3-24 00:39:41
Some Special Evaluation Problems in Particular Sectorsnderutilized, this ‘extra’ traffic can be produced by the existing system, without additional investment, and one has to decide, whether or not to count the ‘extra’ traffic as a part of the return on the new investment.倾听 发表于 2025-3-24 04:12:42
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Increasing Returns to Scaleese relatively efficient processes may have limited capacities and an increase in demand may have to be sustained by the use of less efficient processes, for example, by having done the work in other places, involving transport costs.把手 发表于 2025-3-24 13:23:58
http://reply.papertrans.cn/16/1539/153829/153829_17.pngNUL 发表于 2025-3-24 17:04:58
Allocation Models and their Use in Economic Planning费解 发表于 2025-3-24 21:35:58
http://reply.papertrans.cn/16/1539/153829/153829_19.png大沟 发表于 2025-3-24 23:24:11
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