1. Adorno V., Bernini C., Pellegrini G. (2007). The impact of capital subsidies: new estimations under continuous treatment. Giornale degli Economisti e Annali di Economia, 66 (1): 67-92.
2. ASVAPP (2012). Counterfactual impact evaluation of cohesion policy: impact and costeffectiveness of investment subsidies in Italy. Final Report to DG Regional Policy.