»Structure and Analysis of Abstract Damage Calculation in Purchase and Rental Law«: The term ›abstract damage calculation‹ has always been used in different ways. The present work aims to analyze the extensive state of dispute since the 19th century and to eliminate the misunderstandings and prejudices associated with this calculation method. In doing so, the results obtained for the purchase contract are transferred to the rental contract. In the course of this, economic aspects will also play a supporting role.weiterlesen