This paper analyses the nature of seasonal fluctuation of quarterly real GDP in China covering the period 1984.1~2004.4 by means of the Barsky’s model and the seasonal unit root tests (HEGY).The results show that th...This paper analyses the nature of seasonal fluctuation of quarterly real GDP in China covering the period 1984.1~2004.4 by means of the Barsky’s model and the seasonal unit root tests (HEGY).The results show that the seasonality in the real GDP changes over time because there are two unit roots in this series.展开更多
文摘This paper analyses the nature of seasonal fluctuation of quarterly real GDP in China covering the period 1984.1~2004.4 by means of the Barsky’s model and the seasonal unit root tests (HEGY).The results show that the seasonality in the real GDP changes over time because there are two unit roots in this series.