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交通基础设施是指为社会产品的运输和居民的出行提供交通服务的基础设施,包括公路、铁路、桥梁、隧道、机场、港口和运输管道等。交通基础设施是社会交通体系的重要组成部分,它与交通工具、交通管理制度和交通从业人员组成了服务社会经济的完整交通系统。交通基础设施有其不同一般的经济特性,社会发展的承载作用。社会的生产和生活都依赖于交通基础设施,而且随着社会的发展,它在整体社会经济中发挥着重要作用。通过建立投入产出模型来分析交通基础设施投资对国民经济收入(GDP)的贡献,对交通产业生产力的影响以及对劳动力就业的影响。
Transport infrastructure refers to the infrastructure that provides transport services for transport of social products and travel of residents, including roads, railways, bridges, tunnels, airports, ports and transport pipelines. Traffic infrastructure is an important part of the social transport system. It forms a complete transportation system that serves the society and economy with transport, traffic management systems and transport professionals. Transport infrastructure has its own different general economic characteristics and the bearing function of social development. The production and livelihood of society depend on transport infrastructure, and as society develops, it plays an important role in the overall social economy. Through the establishment of an input-output model, we can analyze the contribution of transportation infrastructure investment to the national economy (GDP), the impact on the productivity of the transportation industry and the impact on the employment of the labor force.