In a 2003 report, International Evidence on Food Consumption Patterns, ERS economists estimated income and price elasticities of demand for broad consumption categories and food categories across 114 countries using 1996 International Comparison Program (ICP) data. This report updates that...

The paper discusses the three major problems that Deaton and Heston identify that make it difficult to construct consistent estimates of real output across countries: (i) the choice of a multilateral index number formula; (ii) weak national accounts estimates of country expenditures on the 155...