Open access data to (partially) replicate the research paper "Information frictions, overconfidence, and learning: Experimental evidence from a floodplain", by Sofia Badini. This data consists of: BAG data : data about addresses in the Netherlands, derived from the Addresses and Buildings Key Registry (Basisregistraties Adressen en Gebouwen, or BAG) and acquired in .csv format via Geotoko in July 2022. ENW data : shapefiles representing those areas of the Southern regions of The Netherlands (Limburg and North Brabant) that were flooded in July 2021. These maps have been shared by the ENW (Expertise Netwerk Waterveiligheid), the association of Dutch flood protection specialists, via the 4TU.ResearchData repository of Delft University of Technology (see here). Risicokaart data : shapefiles of the flood maps developed for the European Floods Directive (ROR2) delivered at the end of 2019 via the Risicokaart website, obtained in October 2021 by contacting lbo@risicokaart.nl . (Synthetic) survey data : synthetic ...