The Study On The Economic Growth Effect Measurement Of Infrastructure Investment In The Western Region In China

From the global perpective,there is a strong demand for infrastructure investment.In our country,in the process of economic transformation and modernization,the all-directional infrastructure construction and connectivity will help to develop new impetus for economic growth.The important significance of infrastructure investment and construction has been highlighted in the implementation of national strategies and plans,becoming the stabilizer for economic growth in all regions.But under the cumulative effect of unbalanced development for a long time,the scale and qualityof infrastructure investment in China show regional difference,the western region has been regarded as the “short part” of infrastructure investment development in China.Under the background of the new type of unbanization,the construction of the the Silk Road Economic Belt and the entry into a new phase of the development of the western region,and under the superposition of various strategic plans,it is necessary to examine and clarify the concrete effects of infrastructure investment on economic growth whether we can seize the development opportunities and improve the competitiveness of infrastructure and make a good play on infrastructure investment in the western region.This research through in-depth statistical data analysis and quantitative measurement research being focus on after many years of development of Western Development strategy,the overall economic effect of the western region and give quantitative interface.This research select the panel data from 1998 to 2016 as sample range,use the methods of cross-research in economics,statistics,econometrics and the panel vector autoregression(PVAR)and SDM to analyze quantitatively.Based on the data analysis,it is found that the internal distribution of infrastructure investment in western region in uneven,and the impact effect of infrastructure investment on economic growth has a positive effect in the short term,and the effect duration is shorter than that of the eastern region.After measuring the three types data on investment in transport infrastructure,investment in communication infrastructure and investment in agricultural infrastructure by adding spatial and geographic factors,the results show that there are structural differences and regional differences in the effects on economic growth.