Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/243295 
Year of Publication: 
2021
Series/Report no.: 
GLO Discussion Paper No. 958
Publisher: 
Global Labor Organization (GLO), Essen
Abstract: 
Voluminous vaccine campaigns are used globally since the COVID-19 pandemic owes devastating mortality and destructively unprecedented consequences on different aspects of economies. Notwithstanding different approaches to measure the effectiveness of COVID-19 vaccines in clinical medicines, this paper sheds new light on the efficacy of COVID-19 vaccines by using the difference-in-differences (DiD) design of 127 countries in the daily frequency from February 2020 till the end of August 2021. We show that the number of new deaths per million significantly decreases after half of the population is vaccinated, but the number of new cases witnesses an insignificant change. We found that the effects are more pronounced in Europe and North America by offering insights about different continents. Our results remain robust after using other proxies and testing the sensitivity of the vaccinated proportion, providing causality and evidence that expanding and expediting COVID-19 vaccination can save human lives.
Subjects: 
COVID-19
global scope
effectiveness
vaccines
JEL: 
I10
I18
Document Type: 
Working Paper

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