Beetsma, R. and Giuliodori, M. (2011). The effects of government purchases shocks: Review and estimates for the EU Economic Journal, 121(550):F4--F32.
Jacobs, B. (2011). Comment: Crime in Europe and the United States: Dissecting the {\textquoteleft}Reversal of Misfortunes' Economic Policy, 26(67):347--385.