Westerlund, Joakim; Breitung, Jörg - Nationalekonomiska institutionen, Handelshögskolan - 2009
This paper points to some of the common myths and facts that have emerged from 20 years of research into the analysis of unit roots in panel data. Some of these are wellknown, others are not. But they all have in common that if ignored the effects can be very serious. This is demonstrated using...