This paper examined the long memory features of GDP per capita data before the global financial crisis, using a sample of 26 African countries. The study employed fractional integration and tested the stability of the differencing parameter across the sample period for each country. The results...

This paper investigates the possibility of middle-income convergence among seven members of Southeast Asian nations (Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, and Vietnam), with Malaysia being in upper-middle-income rank and other six countries in lower-middle-income rank. We...