“…Anderson and van Wincoop (2004) break such costs down into policy barriers (such as tariffs), language differences, currency differences, costs of acquiring information about markets and trading partners, and costs of contracting and enforcement across jurisdictional boundaries. Legal (Giorcelli and Moser 2020), cultural (Lecce, Ogliari, andOrlando 2021), andlinguistic (De Mauro 1963;Tamburelli 2014) differences all mattered in Italy, but it was currency differences and protectionist barriers that were most significant. 4 Six monetary systems operated in Italy on the eve of unification, some on a silver standard and others bimetallic, some decimalized and others adhering to older multiples of 12 or 20 (Conte, Toniolo, and Vecchi 2003;Chiaruttini 2018;Sannucci 1989).…”