Data Analysis of Fiscal Expenditure and GDP Based on Financial Budget Performance Evaluation Indicators

Table 3

Stationarity test results of China’s GDP data from 1998 to 2019.

Null hypothesis: D(GDP1,2) has a unit root; Exogenous: constant, linear trend; Lag length: 1 (automatic-based on AIC, maxlag = 4)
Augmented dickey-fuller test statistic		t-Statistic	Prob
		−6.282976	0.0004
Test critical values	1% level; 5% level; 10% level	−4.571559; −3.690814; −3.286909

MacKinnon (1996) one-sided -values.Warning: probabilities and critical values calculated for 20 observations and may not be accurate for a sample size of 18Augmented Dickey-Fuller test equationDependent variable: D(GDP1.3)Method: least Squares.