Essayyad, Musa; Algahtani, Ibrahim - In: International Journal of Global Energy Issues 27 (2007) 4, pp. 395-403
Recognising the superior benefits of risk reduction associated with using portfolio of currencies relative to a single currency (US dollar), this paper shows that, ceteris paribus, a minimum-variance portfolio of currencies in the developed world has weights that strikingly mimic those...