Across the world, the SARS-CoV-2 (COVID-19) pandemic has disproportionately affected economically disadvantaged groups. This differential impact has numerous possible explanations, each with significantly different policy implications. We examine, for the first time in a low- or middle-income...

In many developing countries, the COVID-19 pandemic has spread much faster and wider than the number of detected cases implies. By combining data from 59,770 RT-PCR tests on mostly asymptomatic individuals with administrative data on all detected cases, we capture the spread and dynamics of the...

Developing a database that includes 59 countries, our study sheds light on the role of mobile telecommunications markets' concentration on countries' competitiveness.Performing several estimations and using an instrumental variable that aims to explain the degree of concentration in mobile phone...