While economists have been contributing to the discussion of various aspects of sustainability for decades, it is just recently that the term sustainability economicsʺ was used explicitly in the ecological, environmental, and resource economics community. Yet, the contributions that use the...

We clarify the definition and interpretation of sustainability economicsʺ (Baumgärtner and Quaas, 2010) in response to recent comments by van den Bergh (2010), Bartelmus (2010) and others. For that sake, we distinguish between general and specific definitions of sustainability and...

We develop a comprehensive multi-level approach to ecological economics (CML-approach) which integrates philosophical considerations on the foundations of ecological economics with an adequate operationalization. We argue that the subject matter and aims of ecological economics require a...