Current Account Deficits in the Transition Economies

This study tests for the stationarity and sustainability of current account deficits for ten transition economies. For this purpose, a new test is employed that allows one to test for unit roots in heterogeneous panel datasets. While the benefits from creating a panel to overcome low test power are well known, this test also offers key advantages over existing alternative panel data unit root tests: it is able to identify which members within the panel are responsible for rejecting the null hypothesis of joint non-stationarity. In addition, the SURADF test does not presume disturbances that are independently and identically distributed. Using data covering 1993 - 2001, this study finds strong evidence in favour of current account mean-reversion for six countries. Of the six countries in the sample that joined the European Union in May 2004, non-stationarity was confirmed in the case of Lithuania only.