Analysis and Forecast of Shaanxi GDP Based on the ARIMA Model

Wei Ning, Bian Kuan-jiang and Yuan Zhi-fa

Asian Agricultural Research, 2010, vol. 02, issue 01, 4

Abstract: Based on the 2008 Shaanxi Statistical Yearbook and the relevant data of Shaanxi GDP in the years 1952-2007, SPSS statistical software and time series analysis are used to establish ARIMA (1.2,1) time series model, according to the four steps, recognition rules and stationary test of time series under AIC criterion. ACF graph and PACF graph are used to conduct the applicability test on model. Then, the actual value and predicted value in the years 2002-2007 are compared in order to forecast the GDP of Shaanxi Province in the next 6 years based on this model. Result shows that the relative error of actual value and predicted value is within the range of 5%, and the forecasting effect of this model is relatively good. It is forecasted that the GDP of Shaanxi Province is 647.750, 765.662, 905.866, 10735.10, 12744.69 and 15158.20 billion yuan in the year from 2008 to 2013, respectively. According to the result, GDP of Shaanxi Province shoes a higher growth trend in the years 2008-2013. The forecasting result of this model is only a predicted value. But the national economy is a complex and dynamic system. We should pay attention to the risk of adjustment in economic operation and adjust the corresponding target value according to the actual situation.

Keywords: Agribusiness (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:ags:asagre:93238

DOI: 10.22004/ag.econ.93238

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