@article{usingdonaldtrumpscovid19vaccine, title = {Using Donald Trump's COVID-19 Vaccine Endorsement to Give Public Health a Shot in the Arm: A Large-Scale Ad Experiment}, author = {Bradley J. Larsen and Timothy J. Ryan and Steven Greene and Marc J. Hetherington and Rahsaan Maxwell and Steven Tadelis}, year = {2022}, eprint = {2203.02625}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2203.02625v3}, }