Promise and Pitfalls in the Use of 'Secondary' Data -Sets: Income Inequality in OECD Countries.
Secondary data-set have come to play an increasing role in empirical economic research. This paper examines the major new secondary data-set assembled by Klaus Deininger and Lyn Squire and the World Bank. We concentrate on its coverage of the OECD countries. We have particularly in mind the user of income inequality statistics who does not wish to go back to the original data.