A theoretical exploration of therapeutic monomania as a physician-based instrumental variable.
Brian J PotterColin DormuthJacques Le LorierPublished in: Pharmacoepidemiology and drug safety (2019)
Prescriber preference, be it of individual physicians or groups of physicians, may, under the right conditions, be powerful instrumental variables. Empiric experimental data are required to determine the appropriateness of combining propensity matching and instrumental variable analysis.