Cooray, Arusha; Sinha, Dipendra - In: Applied Economics 39 (2007) 12, pp. 1501-1510
We study the relationship between the saving and investment rates for 20 African countries using a long period of data. A high correlation between saving and investment is often taken as evidence of capital immobility. We use the new Ng-Perron unit root tests to examine the stationarity of...
