Wolff, Hendrik () (University of Washington) Chong, Howard () (University of California, Berkeley) Auffhammer, Maximilian () (University of California, Berkeley)
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This paper examines the consequences of data error in data series used to construct aggregate indicators. Using the most popular indicator of country level economic development, the Human Development Index (HDI), we identify three separate sources of data error. We propose a simple statistical framework to investigate how data error may bias rank assignments and identify two striking consequences for the HDI. First, using the cutoff values used by the United Nations to assign a country as ‘low’, ‘medium’, or ‘high’ developed, we find that currently up to 45% of developing countries are misclassified. Moreover, by replicating prior development/macroeconomic studies, we find that key estimated parameters such as Gini coefficients and speed of convergence measures vary by up to 100% due to data error.
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Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number
3346.
Find related papers by JEL classification: O10 - Economic Development, Technological Change, and Growth - - Economic Development - - - General C82 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Macroeconomic Data
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