Balduzzi, Pierluigi; Das, Sanjiv Ranjan; Foresi, Silverio - In: The Review of Economics and Statistics 80 (1998) 1, pp. 62-72
We assume that the instantaneous riskless rate reverts toward a central tendency which, in turn, is changing stochastically over time. As a result, current short-term rates are not sufficient to predict future short-term rate movements, as it would be the case if the central tendency were...