Franses, P.H. and Paap, R. (2002). Censored latent effects autoregression, with an application to us unemployment Journal of Applied Econometrics, 17:347--366.
van Dijk, F., Sonnemans, J. and van Winden, F.A.A.M. (2002). Social Ties in a public good experiment Journal of Public Economics, 85:275--299.
Boswijk, H. and Lucas, A. (2002). Semi-nonparametric cointegration testing Journal of Econometrics, 108(2):253--280.