Context: While a recent paper argues that pandemic has actually acted as a 'great leveller' of inequalities, such studies are challenged by inadequate coverage.
Three concepts are used for inequality measurement: (what the Gini coefficient seeks to do).
Pandemic as the "Great leveller" of inequality: As argued by Nobel Laureate Angus Deaton in his recent paper "Covid-19 and Global Income Inequality", there are three key analytical points -
Key limitations in measuring global inequality:
Way forward: Approaches to inequality studies.