![Working Papers](https://mackinstitute.wharton.upenn.edu/wp-content/uploads/2016/06/Working-Paper-150x100.png)
In markets where consumers seek expert advice regarding purchases, firms seek to influence experts, raising concerns about biased advice. We combine a model of supply and demand with a local instrumental variables strategy based on regional spillovers from academic medical center conflict-of-interest policies. …Read More