This discussion paper resulted in a publication in the <A href="http://www.mitpressjournals.org/doi/abs/10.1162/REST_a_00103">'Review of Economics and Statistics'</A>, 2010, 93(3), 982-994.<P> We propose a first order bias correction term for the Gini index to reduce the bias due to grouping. The first order correction term is obtained from studying the estimator of the...</p></a>

Published in <A href="http://onlinelibrary.wiley.com/doi/10.1111/j.1467-9442.2010.01613.x/abstract">The Scandinavian Journal of Economics"</A>, 112(3), 618-39.<P>The perpetual inventory method used for the construction of education data per country leads to systematic measurement error. This paper analyses the effect of this measurement error on GDP regressions. There is a systematic...</p></a>

This discussion paper resulted in an article in <I>Fiscal Studies</I> (2009). Volume 30, issue 3/4, pages 391-417.<P> Every three years, Indonesia fields simultaneously two nationwide surveys which collect consumption data. Onecollects consumption using 23 questions, the other using 320 questions. Based...</p></i>