Home › Authors › Michael Gerfin 👤 Michael Gerfin 2 books Books by Michael Gerfin Nonparametric bounds on the ef Nonparametric bounds on the effect of deductibles in health care insurance on doctor visits 2005 Steugutschriften, Mindestlöhne Steugutschriften, Mindestlöhne und Armut unter Erwerbstätigen in der Schweiz 2002