公共投资是我国促进区域经济发展最重要的政策工具之一。早在20世纪80年代中期,我国政府就大力推行以增加必要基础设施为主要目的的公共投资政策。事实证明,这次公共投资在改善投资环境、鼓励 Public investment is one of the most important policy tools for promoting regional economic development in our country. As early as the mid-1980s, my government vigorously pursued a public investment policy with the main objective of adding necessary infrastructure. Facts have proved that this time public investment is improving the investment environment and encouraging