|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2008年09 期
| 标题 |
| 基础设施投资与固定资产投资对GDP贡献率的比较(30 卷) |
| 英文标题 |
| Compare the Contribution Rates of Infrastructure Investment and Fixed Assets Investment on GDP |
| 摘要 |
| 基础设施的发展对社会经济发展具有重要作用，且外部性显著。为了证明基础设施的发展对国民经济发展的重要性，利用计量经济学模型，计算了全社会固定资产投资和基础设施投资对GDP的边际贡献率，得出基础设施投资较全社会固定资产投资对GDP具有高边际贡献率，要发展国民经济， |
| 作者 |
| 新闻作者:余卫平，王丽华，于大力，贾 昊 |
| 关键字 |
