The data is used by Nguyen et. al (2020) and originally disseminated by the French ministry (Ministère de l'Intérieur et des Outre-Mer). Information about the population characteristics comes from the french national statistics institute (INSEE).
Source
https://www.data.gouv.fr/fr/datasets/elections-departementales-2015-resultats-par-bureaux-de-vote
https://www.insee.fr/fr/accueil
Details
left,right,extreme_right: Vote shares during the election grouped into three blocksAge_1839,Age_4064,Age_65plus: Share of the population falling into one of three age categoriesEduc_BeforeHighschool,Educ_Highschool,Educ_Higher: Share of the population having completed a certain level of education.asset_owner_rate: The proportion of people who own assetsincome_taxpayer_rate: The proportion of people who pay income taxforgeigner_rate: The proportion of foreigners