摘要
本文从核算对象、核算范围、核算方法等方面比较了运输业增加值与运输业净产值这二个重要的产值指标，明确了两者之间的区别与联系，并特别指出设置与核算运输业增加值的重要意义。
ith accounting objects, ranges, methodes and so on, this paper compares added value with net value of transportation output, clarifies their differences and relations.Furthermore, the importance of added value of transportation output is presented especially.
关键词
运输业增加值
运输业净产值
公路运输
added value of tromsportation output
net value of transportation output
the system of material product balances(MPS)
the system of national accounts(SNA)
