Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centres of Stralsund and Wismar' has mentioned 'Economy' in the following places:
Occurrence Sentence Text Source
As centers, which were continuously inhabited and always the heart of urban life, whose harbour remained intact and of importance for the economy in all epochs, both cities have continuously preserved their use and can therefore be described as authentic with regard to their function.