Department of Political Economy, King's College London, London, United Kingdom.
PLoS One. 2021 Dec 9;16(12):e0260216. doi: 10.1371/journal.pone.0260216. eCollection 2021.
The announcement of Pfizer/BioNTech's COVID-19 vaccine success on November 9, 2020 led to a global stock market surge. But how did the general public respond to such good news? We leverage the unexpected vaccine announcement to assess the effect of good news on citizens' government evaluations, anxiety, beliefs and elicited behaviors in the US and the UK. While most outcomes were unaffected by the news, trust in government and elected politicians (and their competency) saw a significant decline in both countries. As the news did not concern the governments, and the governments did not have time to act on the news, our results suggest that the decline of trust is more likely explained by the psychological impact of good news on reasoning style. In particular, we suggest two possible styles of reasoning that might explain our results: a form of motivated reasoning and a reasoning heuristic of relative comparison.
2020 年 11 月 9 日，辉瑞/生物技术公司宣布其新冠疫苗研发成功，引发了全球股市飙升。然而，公众对这样的好消息作何反应呢？我们利用这一意外的疫苗消息，评估了美国和英国的好消息对公民政府评价、焦虑、信念和诱发行为的影响。尽管大多数结果并未受到该消息的影响，但两国公众对政府和民选政客（及其能力）的信任度都显著下降。由于该消息与政府无关，且政府没有时间对该消息作出反应，因此我们的结果表明，信任度的下降更可能是由于好消息对推理方式的心理影响所致。具体而言，我们提出了两种可能的推理方式来解释我们的结果：一种是有动机的推理方式，另一种是相对比较的推理启发式。
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