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...

We conduct an event study to (1) analyze whether investors revise their expectations about a music album’s success when new chart information is published and (2) estimate how these revised expectations affect the value of a music label. We find that expectations about the success of an album...