Sunk Costs Und Unternehmensfinanzierung (Paperback – German)–by Jan Pieter Krahnen [1991 Edition] Last update January 1, 1970 See on Internet Archive Jan Pieter Krahnen January 1, 1970 by Jan Pieter Krahnen My articles My booksMy videosFollow on: Author: Jan Pieter Krahnen Jan Pieter Krahnen