Yucel, Ali; Moore, Landon; Khadka, Pawonee; Lee, Junsoo - In: Digital economy and sustainable development 2 (2024) 1, pp. 1-11
This paper illustrates the importance of accounting for cross-correlations among panel data sets in examining stationarity. Strazicich et al. (2004) utilized the LM unit root tests with two trend shifts to examine the income convergence among twenty-one OECD countries. We revisit their analysis...
