Alsan Marcella, Eichmeyer Sarah
Harvard Kennedy School and NBER.
Bocconi University.
Am Econ J Econ Policy. 2024 Feb;16(1):394-414. doi: 10.1257/pol.20210393.
We experimentally vary signals and senders to identify which combination will increase vaccine demand among a disadvantaged population in the United States-Black and White men without a college education. Our main finding is that laypeople (nonexpert concordant senders) are most effective at promoting vaccination, particularly among those least willing to become vaccinated. This finding points to a trade-off between the higher qualifications of experts on the one hand and the lower social proximity to low-socioeconomic-status populations on the other hand, which may undermine credibility in settings of low trust.
我们通过实验改变信号和发送者，以确定哪种组合会增加美国弱势群体（没有大学学历的黑人和白人男性）对疫苗的需求。我们的主要发现是，外行人（非专家一致发送者）在促进疫苗接种方面最有效，尤其是在那些最不愿意接种疫苗的人群中。这一发现表明，一方面专家资质较高，另一方面与社会经济地位较低人群的社会亲近度较低，两者之间存在权衡，这可能会在信任度较低的情况下削弱可信度。
