This is why it is vital that steps be taken to raise professional standards in the public sector, starting with the measures to train the contracting authorities  15  See A. Baltrunaite, C. Giorgiantonio, S. Mocetti and T. Orlando, ‘Discretion and Supplier Selection in Public Procurement’, Banca d’Italia, Temi di Discussione (Working Papers) 1178, 2018.
16  See F. Balassone, ‘Programmazione di bilancio e gestione degli investimenti pubblici: un’agenda aperta’, in Banca d’Italia, ‘The efficiency of infrastructure spending’, cited above.