中國季度GDP初步數(shù)據(jù)優(yōu)良性檢驗

摘要： 本文以2004-2011年中國GDP季度初步數(shù)據(jù)為研究對象,對這一時期中國季度GDP初步數(shù)據(jù)的優(yōu)良性進行實證分析。研究表明,這一時期,中國季度GDP初步核算數(shù)據(jù)具備無偏性,但顯著不滿足有效性。然而,得益于GDP修訂程序,季度GDP初步核實數(shù)據(jù)的無偏性和有效性均得到了顯著提高。
This paper empirically analyzed the superiority of China's preliminary data of quarterly GDP during 2004-2011. Results suggested that China's preliminary accounting data of quarterly GDP was unbiased but inefficient. However,due to GDP revision process,the unbiasedness and efficiency of preliminary verified GDP were improved significantly.