Stauskas, Ovidijus - 2021
A recent study proposed by Westerlund (CCE in Panels with General Unknown Factors, Econometrics Journal, 21, 264 … thought before. Contrary to the usual stationarity assumption, common factors can in fact be much more general and not unit … unknown, similarly to unobserved stochastic factors. While very promising, these theoretical results concern only the pooled …