TY - JOUR A1 - Pedroni, P. T1 - Panel cointegration: Asymptotic and finite sample properties of pooled time series tests with an application to the PPP hypothesis Y1 - 2004 DO - 10.1017/S0266466604203073 JF - Econometric Theory VL - 2004 IS - 20 SP - 597 EP - -625 ER -