Nasir, Abm; Noman, Abdullah M. - In: International Review of Applied Economics 26 (2012) 5, pp. 673-685
This study investigates sustainability of external debt under a two-step non-linear framework. The first step uses a general linearity test proposed by Harvey and Leybourne (2007) to determine the linearity property of external debt. The second step applies a non-linear ADF unit root test...