Nonlinear unit root processes and the problem of nonlinear cointegration Publication details Part of: Essays on Uncertainty. Festskrift for Steinar Ekern. Norwegian Business School (Norges Handelshøyskole, 2002) Pages: 91–120 Year: 2002 You are here: Home Publications Scientific chapter / article / conference article Nonlinear unit root processes and the problem of nonlinear cointegration