Pinkovskiy, Maxim L.
and Sala-i-Martin, Xavier. "Lights, Camera,...Income! : Estimating Poverty Using National Accounts, Survey Means, and Lights, Number 669,"
Staff Reports (Federal Reserve Bank of New York)
(Revised January 2015).
https://fraser.stlouisfed.org/title/9235/item/681599, accessed on January 16, 2026.