At one point in U.S. history the food and drug association wanted to regulate cigarettes, but it was neither a food nor or a drug! In this instance, an absurd solution was found – using its jurisdiction over medical devices the association declared that cigarettes were a medical device for dispensing a dose of nicotine. This was the anecdote used by Lant Pritchett (Harvard University) to outline the asymmetry between policy mapping and formulation, and policy outcomes during the 2nd Plenary of the ERF Annual Conference (more).