Deaton, Angus; Friedman, Jed; Alatas, Vivi - Research Program in Development Studies, Woodrow Wilson … - 2004
proposes and implements a new methodology for calculating PPPs using information on unit values from household surveys …. Although unit values are not identical to prices, they have compensating advantages. Large household surveys contain several … million unit values, they are tied to actual transactions, and they are naturally linked to household characteristics such as …