“…Another branch of the literature related to the present paper focuses on the impact of alternative contract schemes within one country, such as, for instance, Norway (Dalen and Gomez-Lobo, 1996;, France (Kerstens, 1996;Gnagnepain and Ivaldi, 2002;Roy and Yvrande-Billon, 2007;Gautier and Yvrande-Billon, 2013), Italy (Piacenza, 2006;Buzzo Margari et al, 2007). These studies confirm that firms operating under high-powered incentive schemes, such as fixed-price contracts, are more efficient than firms operating under low-powered incentive schemes, such as cost-plus contracts.…”