Faculty of Economics and Business, University of Talca, 1 Poniente 1141, Talca, Chile.
Appl Health Econ Health Policy. 2021 May;19(3):343-351. doi: 10.1007/s40258-021-00644-6. Epub 2021 Feb 23.
The coronavirus disease (COVID-19) pandemic has considerably affected the lives of people worldwide, impacting their health and economic welfare, and changing the behavior of our society significantly. This situation may lead to a strong incentive for people to buy a vaccine. Therefore, a relevant study to assess individuals' choices and the value of change in welfare from a COVID-19 vaccine is essential.
This study aimed to estimate the willingness-to-pay (WTP) value for a vaccine for COVID-19. We also identify the variables that influence individual vaccination decisions, which could be used in the design of vaccination promotion strategies.
We use the contingent valuation method in its double-bounded dichotomous choice format. The estimation coefficients are calculated according to the maximum likelihood method under the assumption of a probit distribution. The sample consisted of 531 individuals, mainly from middle- and high-income socioeconomic groups from Chile between enrolled between 10 July and 10 August 2020.
The results show a high WTP for the COVID-19 vaccine, with a value up to US$232. Income and education levels and having family members with COVID-19 increased the likelihood of persons paying for a vaccine. There is also a greater fear as the pandemic progresses that people will get sick from COVID-19.
The high WTP value creates an opportunity for formulating public health policy. The results of this study suggest that governments can provide the vaccine free to low-income groups and allow those with higher incomes to acquire the vaccine through the private sector by paying. This will be useful especially for countries with economic difficulties.
冠状病毒病(COVID-19)大流行极大地影响了全世界人民的生活,影响了他们的健康和经济福利,并显著改变了我们社会的行为。这种情况可能会强烈激励人们购买疫苗。因此,进行一项相关研究来评估个人对 COVID-19 疫苗的选择和福利变化的价值是必要的。
本研究旨在估计 COVID-19 疫苗的支付意愿(WTP)价值。我们还确定了影响个人接种决策的变量,这些变量可用于设计疫苗推广策略。
我们使用条件价值评估法的双边界二分选择格式。根据概率单位分布的假设,使用最大似然法计算估计系数。样本由 531 名主要来自智利中高收入社会经济群体的个体组成,他们于 2020 年 7 月 10 日至 8 月 10 日之间入组。
结果显示,对 COVID-19 疫苗具有较高的 WTP,最高可达 232 美元。收入和教育水平以及有 COVID-19 家庭成员的人增加了支付疫苗费用的可能性。随着大流行的进展,人们对感染 COVID-19 疾病的恐惧也会增加。
高 WTP 值为制定公共卫生政策创造了机会。本研究结果表明,政府可以向低收入群体免费提供疫苗,并允许高收入群体通过支付方式从私营部门获得疫苗。这对于经济困难的国家尤其有用。