This study was prepared by Gabriela Schütz while she was working with the Ifo Institute for Economic Research. It was completed in September 2008 and accepted as a doctoral thesis by the Economics Department of the University of Munich (LMU). The topic of this study is an econometric analysis...

Critics of international student comparisons argue that results may be influenced by differences in the extent to which countries adequately sample their entire student populations. In this research note, we show that larger exclusion and non-response rates are related to better country average...