Companies spend vast sums on commercials, but it’s been difficult to gauge their effectiveness. A new study offers a more reliable method—and some bad news for many brands.
Researchers: Bradley Shapiro, Günter Hitsch and Anna Tuchman
March 1, 2021
A look at the Philadelphia soda tax shows that it had some benefits—but it didn’t stop people from buying sugary drinks.
Researchers: Stephan Seiler, Anna Tuchman and Song Yao
July 1, 2019