全球范围内宽带的投资迅猛增长,并显现出对经济具有重大影响和多重效应。首先,宽带对GDP的增长具有积极影响;第二,宽带对生产力具有积极的影响,来自微观经济和宏观经济层面的证据均证实了这种效应。第三,由于网络建设计划和对经济其他领域的溢出效应,宽带有助于就业的增长。最后,除经济增长和就业机会外,宽带还从信息的高效获取、运输的节省及 Broadband investment worldwide has grown rapidly and has shown significant and multiple effects on the economy. First, broadband has a positive impact on GDP growth; second, broadband has a positive impact on productivity, evidenced by both microeconomics and macroeconomic evidence. Third, broadband contributes to employment growth due to the network construction plan and spillover effects on other areas of the economy. Finally, in addition to economic growth and employment opportunities, broadband also benefits from efficient access to information, transport savings and