Graduate School of Public Policy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
RIETI, Tokyo, Japan.
Sci Rep. 2023 May 11;13(1):7655. doi: 10.1038/s41598-023-34498-w.
This study investigates the effects of a third-party certification policy for restaurants (including bars) that comply with indoor infection-prevention measures on COVID-19 cases and economic activities. We focus on the case of Yamanashi Prefecture in Japan, which introduced a third-party certification policy that accredits facilities, predominantly restaurants, that comply with the designated guidelines. We employ a difference-in-differences design for each of our epidemiological and economic analyses. The estimation results show that, from July 2020 to April 2021, the certification policy reduced the total number of new infection cases by approximately 45.3% (848 cases), while increasing total sales and the number of customers per restaurant by approximately 12.8% (3.21 million Japanese yen or $30,000) and 30.3% (2909 customers), respectively, compared to the non-intervention scenarios. The results suggest that a third-party certification policy can be an effective policy to mitigate the trade-off between economic activities and infection prevention during a pandemic, especially when effective vaccines are not widely available.
本研究调查了针对符合室内感染预防措施的餐厅（包括酒吧）的第三方认证政策对 COVID-19 病例和经济活动的影响。我们关注的是日本山梨县的情况，该县引入了一项第三方认证政策，认可符合指定指南的设施，主要是餐厅。我们对每个流行病学和经济分析都采用了差异中的差异设计。估计结果表明，从 2020 年 7 月至 2021 年 4 月，认证政策使新感染病例总数减少了约 45.3%（848 例），同时使餐厅的总销售额和每位顾客的销售额分别增加了约 12.8%（321 万日元或 3 万美元）和 30.3%（2909 人），与非干预情况相比。结果表明，第三方认证政策在大流行期间可以成为减轻经济活动和感染预防之间权衡的有效政策，尤其是在有效疫苗尚未广泛普及的情况下。
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