“…Such an index would follow in the footsteps of efforts to measure for instance regulatory openness/closure of economies for digital and services trade (OECD, 2021;Ferracane, 2022). At first sight, six components are likely to affect the openness/closure of national private law regimes: (1) the overall (3) general features of domestic private lawsuch as contract and corporate lawand their suitability for complex international business operations (Kötz, 2010;Cuniberti, 2014;Pistor, 2019); (4) state participation in international substantive private law harmonization efforts in areas including in contract, transport, or shipping law (Efrat, 2016;Bogdan and Sender Pertegas, 2019); (5) unilateral and treaty-based judicial cooperation regarding the recognition and enforcement of foreign commercial awards and judgements as well as through comity and deferral practices (Hale, 2015;Nielsen, 2020); ( 6) private international lawor in other words national conflict of law rulesincluding the degree of permitted party autonomy, choice of law, and forum selection (Gottschalk et al, 2007). This list is not definitive or exhaustive.…”