This paper there discusses the extent of a differentiated charging systems within a possible new charging framework. The background for the discussionist the differentiated system's success during the years of practice.

Already in the early 1980s, city officials realised the challenge of structural change for Bremen. It was at this point that decisions were made to initiate a profound ‘change of direction’ in the economic focus of the city (Warsewa, 2006). In the past, Bremen’s economic fortunes had been...