1 And introduced the unit root test and the random process that can often be used in economy.

2 It's a primer problem of unit root test that establishing the null hypothesis reasonably, which is not studied deeply up to now.

3 In this article, we propose seasonal unit root test statistics based on the Weighted Symmetric estimator and derive representation for limiting distributions of the statistics.

4 Discovered from research that the results of unit root test and the results of EG harmonization and adjustment also showed that RMB actual rate was the unstable time alignment.

5 This paper uses unit root test model, co-integration test model and Granger Causal test model, to analyze the relation between international tourism and economic growth of Guilin.

6 After unit root test and cointegration test , regression was performed quantitative relation was worked out.

7 After unit root test and cointegration test, regression was performed and their quantitative relation was worked out.

8 New developments in unit root test and cointegration tests are covered.

9 We test the convergence with unit root test of panel data to examine the trend of China rural development regional disparity.

10 Based on the work of unit root test of China's GDP, the acceleration of China's economic growth which is the second difference of GDP, is regarded as a random walk model.

11 By the unit root test of inter and outer structure change, the change point of inter and outer structure for power demand is found out.

12 As an important tool of testing time series stationarity, unit root test is always used, and cointegration test is also often implied for judging long equilibrium between nonstationary variables.

13 Using LSTAR (1) model as an example, we give the unit root test statistic and its critical value.

14 The unsteadiness of the time series of railway freight volume and its influence factors are proved by unit root test.

15 ADF test is the most common method of unit root test.

16 An annual runoff forecasting method is presented based on unit root test,[] cointegration test and error correction model of the upper and lower reaches of the Second Songhua River.

17 And according to the null hypothesis of hypothesis testing, the theory of panel unit root test and co-integration test are systemically described.

18 The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I(1) process, by the unit root test.