Karavias, Yiannis; Tzavalis, Elias; Zhang, Haotian - In: Econometrics : open access journal 10 (2022) 1, pp. 1-11
two popular panel unit root tests to allow for missing values, and secondly, it employs asymptotic local power functions … unit root tests could be extended to the case of unbalanced panels, but this is often difficult because the missing … common time period for all units. However, this approach can be costly in terms of lost information. Instead, existing panel …
