Caliendo, Marco; Clement, Michel; Papies, Dominik; … - 2021
More than 70% of global e-mail traffic consists of unsolicited and commercial direct marketing, also known as spam …. Dealing with spam incurs high costs for organizations, prompting efforts to try to reduce spam-related costs by installing … spam filters. Using modern econometric methods to reduce the selection bias of installing a spam filter, we deploy a unique …