The absence of pharmaceutical interventions made it particularly difficult to mitigate the first outbreak of coronavirus disease 2019 (COVID-19). The current study investigated how interpersonal trust and institutional trust influenced the control process. Trusts and COVID-19 data in 44 countries and 50 US states were analyzed; institutional trust was associated with case fatality rate, and interpersonal trust was associated with control speed. Two independent behavioral experiments showed that institutional trust manipulation increased participants’ willingness to complete the COVID-19 test and that interpersonal trust manipulation increased conscious compliance with prevention norms and decreased unnecessary outdoor activities. Agent-based modeling further confirmed these behavioral mechanisms for two types of trust in the COVID-19 control process. New interventions are needed to help countries heighten interpersonal and institutional trust as they continue to battle COVID-19 and other collective threats.
Background The absence of pharmaceutical interventions made it particularly difficult to mitigate the first outbreak of coronavirus disease 2019 (COVID-19). The current study investigated how economic freedom and equality influenced the pandemic control process. Methods In Study 1, we assessed the effect of economic freedom and equality on COVID-19 pandemic control from nations worldwide. We collected the cumulative number of confirmed cases over time to perform logistic curve fitting and obtain the speed at which the first wave of the pandemic was controlled, and partial correlation analysis and representational similarity analysis (RSA) were performed to assess the similarity between economic freedom and the speed of pandemic control. In Study 2, an evolutionary game model in which economic freedom affects the speed of pandemic control through optimization of the allocation of available resources was developed. In Study 3, we used experimental manipulation to elucidate the psychological mechanism relating economic freedom and resource allocation. Results The economic freedom of nation could be used to positively predict the speed of pandemic control and the related similarity pattern. Equality was found to moderate the correlation and representational similarity between economic freedom and the speed of pandemic control. The evolutionary game model revealed a mechanism whereby economic freedom influences the speed of pandemic control through high resource availability. Furthermore, cooperation was found to be a possible psychological mechanism explaining how economic freedom increases resource availability. Conclusions Economic freedom has a positive effect on the control of the COVID-19 pandemic only among highly egalitarian nations. New interventions are needed to help countries heighten economic freedom and equality as they continue to battle COVID-19 and other collective threats.
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