Verardi, Vincenzo; Wagner, Joachim - In: Journal of Economics and Statistics (Jahrbuecher fuer … 231 (2011) 4, pp. 546-557
In empirical studies often the values of some variables for some observations are much larger or smaller than the values for the other observations in the sample. These extreme observations, or outliers, often have a large impact on the results of statistical analyses. Conclusions based on a...
