For years the German automobile industry has been facing a growing competition from Japanas well as from the emerging markets. Increasing tendencies towards globalization, an evenfaster change in customer needs and a stronger contraction of the product life cycle necessitatenew flexible...

The knowledge of development and maintenance effort is a necessary precondition for alltypes of software management, IS-controlling, guidance of quality and effort estimation. Data collectingsystems seem to be widely used, but the data is said to be unsafe and firm-specific. This paperpresents a...