Giulietti, Monica (contributor); … - 2006
ECONOMIC RESEARCH PAPERS
DEPARTMENT OF ECONOMICS
Testing for stationarity in heterogeneous panel data in the
presence of cross …�a
Universidad del Rosario
Colombia
Jeremy Smith x
Department of Economics
University of Warwick
United Kingdom
September 2006 …
and a new simple test. Oxford Bulletin of Economics and Statistics 61, 631�652.
O�Connell, P. G. J. (1998). The …