Koopman, S. and \Hol Uspensky\, E. (2002). The Stochastic Volatility in Mean Model: Empirical evidence from international stock markets Journal of Applied Econometrics, 17:667--689.
Paul den Hek (2001). On sustained growth under uncertainty International Economic Review.
Francesco Lippi (2001). Labour markets and monetary union: A strategic analysis Economic Journal.
Frank Windmeijer (2001). Two-part multiple spell models for health care demand Journal of Econometrics.