In a previous lifetime, I had access to pharmaceutical industry data, at the level of individual products, which reported the relationship between detailing (vi

In a previous lifetime, I had access to pharmaceutical industry data, at the level of individual products, which reported the relationship between detailing (visits to doctors by drug reps) and prescription behavior (for target drugs and competitors). Bottom line, pharmaceutical manufacturers employ drug reps because they increase sales. For up-and-coming brands, detailing is a major promotional component. And it's carefully managed.