Funding for this research was provided by:
Sapienza Università di Roma (Research Projects 2016)
Banca d'Italia (Projects 2015)
Regione Autonoma della Sardegna (Grant RAS 2007 n. CRP-59453)
Fondazione Banco di Sardegna (Research Projects 2012-13 n. 834/2012-0742)
Article History
Received: 14 March 2018
Accepted: 22 April 2019
First Online: 3 May 2019
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