Caliendo, Marco; Clement, Michel; Papies, Dominik; … - Institute for the Study of Labor (IZA) - 2008
spam filters. Using modern econometric methods to reduce the selection bias of installing a spam filter, we deploy a unique … installation of a spam filter mechanism. The individual efficiency of a spam filter installation depends on the amount of spam that … filters. Using modern
econometric methods to reduce the selection bias of installing a spam filter, we deploy a
unique data …