This exercise book, which serves as a supplement to the two-volume textbook on Planning and Construction Economics, is aimed particularly at students of architecture, but also at students of urban and regional planning. Furthermore, it is intended for those builders and architects who seek explanatory examples while reading the textbook on the various procedures and issues. This three-volume work is overall understood as an economic guide for builders and architects, as it addresses the economic viability of buildings, which the builder ultimately has to decide on and whose financial consequences they bear exclusively or to a significant extent. Additionally, architects prepare the construction decisions of their builders through their planning and examine economic viability issues or implement economic insights.