Research on Fixed Assets Investment Forecast Based on ARIMA Model

Investment is one of the three troikas that drive economic growth. The fixed asset investment is an important part of investment and plays an important role in the economic and social development of a country. This paper used ARIMA model to conduct an in-depth analysis of the total investment in fixed assets of Jinan City, China from 1978 to 2017. The result shows that the ARIMA (1,1,1) model provides more accurate predictions. The research also provides a reliable theoretical basis for Jinan's fixed asset investment.