Das, Sanjiv Ranjan; Balduzzi, Pierluigi; Foresi, Silverio - National Bureau of Economic Research (NBER) - 1997
We assume that the instantaneous riskless rate reverts towards 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 rates movements, as would be the case if the central" tendency was...