析高等级公路与运输经济的衰减李金江（昆明市交通局）１、运输经济形态的分析提高公路等级，其经济效益由运输经济形态反映。运输经济可为宏观和微观经济。微观经济可以直接从理论运价中反映，客货是运输业的产品，在运输过程中，同时就消费了。产品的增值是运输过程中产... Analysis of the decay of high-grade highways and transport economy Li Jinjiang (Kunming Bureau of Transportation) 1, analysis of transport economic form To improve the grade of the highway, its economic efficiency is reflected by the transport economy. Transport economy can be macro and micro economy. Micro-economy can be directly reflected in the theoretical tariffs, passenger and freight transport products, in transit, at the same time consumption. Product value-added is the middle of the transport process ...