Liu, L. and Ruiz, I. (2006) “Convergence Hypothesis: Evidence from Panel Unit Root Test with Spatial Dependence”, Ecos de Economía, 10(23), pp. 37–56. Available at: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/1979 (Accessed: 25 November 2024).