期刊名称：Quantitative and Qualitative Analysis in Social Sciences
印刷版ISSN：1752-8925
出版年度：2007
卷号：1
期号：2
页码：55-70
出版社：Quantitative and Qualitative Analysis in Social Sciences
摘要：In this article we show that mean-adjusting panel and univariate time series unit root tests yield similarsize when there is no drift. The conclusion of the empirics for Purchasing Power Parity is that on averageit holds
关键词：Nonstationarity; panel data; PPP; real exchange rate; stationarity
