Weiss, Bernd; Wagner, Michael - In: Journal of Economics and Statistics (Jahrbuecher fuer … 231 (2011) 5-6, pp. 661-684
Systematic research reviews have become essential in all empirical sciences. However, the validity of research syntheses is threatened by the fact that not all studies on a given topic can be summarized. Research reviews may suffer from missing data, and this is especially crucial in those cases...