论文部分内容阅读
1 问题的提出 在现代社会中,交通运输活动是政治、经济、文化和军事等一切社会活动赖以顺利进行的基础。一个国家与地区交通运输业的发达程度、运能满足客货运量需求的水平,是表征该国家与地区社会经济发展所处阶段和人民生活达到水准的重要指标。 但是,交通运输投资项目(以下简称交通项目)具有投资大、工期长等特点,人们往往注意到交通项目需要巨额的资金投入,而对交通项目能够带来的效益产出,尤其是交通项目的国民经济外部效益却估计不足,国民经济外部效益的评价有时仅仅是一种点缀。为改善我国交通运输严重滞后的状况,增大对交通运输基础
1 PROBLEM PROPOSAL In modern society, transport activities are the basis for the successful conduct of all social activities such as politics, economy, culture and military affairs. The level of development and transportation in a country and a region that meets the needs of passenger and freight traffic volume is an important indicator of the level of socio-economic development and the level of people's life in that country and region. However, transportation investment projects (hereinafter referred to as transportation projects) are characterized by large investment and long construction period. People often noticed that transport projects need huge capital investment, while the output of transportation projects can bring about benefits, especially for transport projects However, the external benefit of the national economy is underestimated, and the evaluation of the external benefit of the national economy is sometimes merely an embellishment. In order to improve the serious lag of China's transportation and increase the transportation infrastructure