1. ivdoctr::afghan
    Burde and Linden (2013, AEJ Applied) Dataset
    csv| xlsx| json| ndjson| rda| rds
    data.table|687 x 17
  2. ivdoctr::colonial
    Acemoglu, Johnson, and Robinson (2001) Dataset
    csv| xlsx| json| ndjson| rda| rds
    data.table|64 x 9
  3. ivdoctr::weber
    Becker and Woessmann (2009) Dataset
    csv| xlsx| json| ndjson| rda| rds
    data.table|452 x 44