@book{Bester2014, author = {Bester, Helmut and Dahm, Matthias}, year = {2014}, language = {eng}, copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen}, title = {Credence Goods, Costly Diagnosis, and Subjective Evaluation}, url = "http://dx.doi.org/10.17169/FUDOCS_document_000000021259", }