“…1 This report aims to provide policy makers with a more systematic, and operational, approach to online disclosure effectiveness across different policy areas. It builds upon a rich set of academic and public sector research, including OECD's previous work on online disclosures, which focussed, for example, on behavioural insights (OECD, 2018 [7]), product recall effectiveness (OECD, 2020 [8]; 2018 [9]; 2018 [10]), personalised pricing disclosure (OECD, 2021 [11]), data breach notifications (Iwaya, Koksal-Oudot and Ronchi, 2021 [12]), and financial disclosures (OECD, 2018 [13]). In particular, It first examines key disclosure features (e.g.…”