Fig. 6.

Weekly difference in infection rate by income.

NOTE: The graph plots the point estimate and the 95% confidence intervals of the estimation of $\beta$ from Eq. (2) evaluated each week with the incidence rate as the dependent variable. It accounts for the weekly difference in incidence rate between the poor municipalities and the rest, where poor is defined as belonging to the bottom quartile of the national distribution of municipal median income weighted by the municipality size.