Article “About Economizing in Family, City and State”, written by Prof. Dr. Phil. Andreas Strunk and Julia Köhler, starts with a general introduction to the challenge of integrating sustainability in our institutions and organizations. It further discusses oikos, its structure, and its mission. The authors examine both the founding fathers of oikos and their fundamental arguments in research. Hans-Christoph Binswanger researched the correlation between money and nature, where the environmental factor is oftentimes not recognized appropriately. Hans Ulrich worked on the Management Model of St. Gallen underlining the necessity for a radical shift in mindsets towards sustainability. The article wraps up with the reason for being of oikos and gives some recommendations for the future.