Since the late 1970s, the price indices underlying the poverty lines in India have been updated using aggregate indices. Widespread criticism of these indices led to the adoption of a new official methodology in 2011 based on unit values from consumption survey data. We propose an alternative...

Purchasing power adjusted incomes applied in cross-country comparisons are measured with bias. In this paper, we estimate the purchasing power parity (PPP) bias in Penn World Table incomes and provide corrected incomes. The bias is substantial and systematic: the poorer a country, the more its...