Giordani, P., Kohn, R. and \van Dijk\, D. (2007). A unified approach to nonlinearity, structural change, and outliers Journal of Econometrics, 137(1):112--133.
Francesco Lippi (2007). Information variables for monetary policy in an estimated structural model of the euro area Journal of Monetary Economics.
Francesco Lippi (2006). Monetary union with voluntary participation Review of Economic Studies.