Karavias, Yiannis; Tzavalis, Elias; Zhang, Haotian - In: Econometrics : open access journal 10 (2022) 1, pp. 1-11
Missing data or missing values are a common phenomenon in applied panel data research and of great interest for panel data unit root testing. The standard approach in the literature is to balance the panel by removing units and/or trimming a common time period for all units. However, this...
