Research Of The Relations Between Infrastructure Investment And Economical Growth

The infrastructure is a basic condition of social product and people lives. The research of infrastructure began from the 20th century 40's and was gradually developed to be Development Economics. After 20th century 70's, various countries' government gradually realized that the infrastructure was important for the country economic development, so they started to put emphasis on this issue and enlarged the reform and investment dynamics in abundance. Many economists and the World Bank experts also study the relationship between infrastructure and economical development. At present the completely unified conclusion has not been found, but generally believed, the infrastructure and the economical growth have the relevance. It is an important prerequisite, which affects not only the economical supplies, but also the economical demands. In other words, it has the direct impetus function to the economical growth. The consummation infrastructure has the indirect impetus function to the economical growth, which can reduce the enterprise production cost, enhance the production efficiency, improve the environment of invests and expends, attract more private capital to this area, create more employment opportunities, alleviate the employment pressure, increase the income, promote area industrial structure reasonable layout and the optimization promotes, enhance the market competition strength and promote economy sustainable development. The social efficiency is bigger than its investment benefit. At the same time, the continuing and fasting economic growth in turn has the demand pressure to the infrastructure, which requests full quantity, high quality service, impels the infrastructure construction. The infrastructure investment scale is insufficiencies and the investment structure is not reasonable. So the supplies and the service of the infrastructure cannot achieve the economy level of development and request fast development of the restriction economy.On the basis of the predecessor research results, the paper has analyzed the sunshine city infrastructure investment and construction situation from 1993 to 2005, showing the economical growth situation as well as their the mutual affection situation .It also pointed out that the sunshine city has achieved remarkable enhancement in the infrastructure scale and quality during several years, but its level is low. The infrastructure construction level still falls behind the economy level of development.Pursuing the series of strategic targets, we must take the infrastructure in economical growth process function. We must make an actual, long term, scientific plan, reasonably dispose the resources. We must deepen the financing organizational reform, open up the capital source channel, and enlarge the infrastructure investment construction scale. Only then, it will promote the economy continually, healthy developed.