Electric vehicles have a unique potential to transform personal transportation. We analyze this transition with dynamic model capturing falling costs of electric vehicles, decreasing pollution from electricity, and increasing vehicle substitutability. Our calibration the US market shows gasoline is not optimal at current substitutability: production ban would large deadweight loss. At higher su...

Consequence of Poor Study Design To the Editor: We read with great interest the review from H.P. Adams1 who critically re-evaluates individual aspects of well-known and oftendiscussed studies on anticoagulation in acute stroke. These studies do not exhibit a net benefit of anticoagulant use with regard to the criteria safety, mortality, morbidity, prevention of stroke recurrence and late outcom...

The use of live patients on the licensing examinations was a part of dentistry for almost the entire twentieth century and continues up until today. Considerable new debate about the appropriateness of using live patients as test subjects began in the mid-1990s and culminated in the passage of a resolution in the American Dental Association's year 2000 House of Delegates calling for an end to t...