We ran a large-scale field experiment and a survey experiment during the electoral campaign for the September 2020 referendum in Italy. A constitutional law was passed in 2019, which reduced the number of MPs from 630 to 400 in the Lower House and from 315 to 200 in the Senate. A petition was later filed by 71 Senators to hold a constitutional referendum to repeal the law. We obtained electoral material designed and provided by a committee promoting the “No” vote, that is, against the cut in the number of MPs, for its national campaign. We used a novel communication tool, programmatic advertisement, to send almost a million impressions to Italian citizens in 200 municipalities of six Italian regions (Campania, Emilia-Romagna, Lazio, Lombardia, Toscana, and Veneto). These impressions consisted of two non-skippable pre-roll videos displayed in a large host of websites, including newspapers, blogs, games, etc.
Large-scale field experiment and survey experiment during the electoral campaign for the September 2020 referendum in Italy
Joint with Vincenzo Galasso
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