Wirtz, M., 2005: Grüne Gedanken. A political website:
http://www.mitten-im-web.de/gruenegedanken/



Wirtz, M. & Volkmann, C., 2015: Social entrepreneurial ecosystems as a means for creating sustainable urban development. In Condie, J. and Cooper, A (2015): Dialogues of sustainable urbanisation: Social science research and transitions to urban contexts.
https://isscbookofblogs.pressbooks.com/chapter/social-entrepreneurial-ecosystems-as-a-means-for-creating-sustainable-urban-development/
 



Interview with nobel laureate M. Yunus, 2016: 
https://video.uni-wuppertal.de/portal/Showcase/videoportal/
Presentation/47bad5c0149f49748920a5819a5bc47f1d 




Wirtz, M. & Volkmann, C., 2018: Discussing Social Business Innovations. An Interview with Professor Muhammad Yunus. Schumpeter Discussion Paper. 
https://elpub.bib.uni-wuppertal.de/edocs/dokumente/
fbb/wirtschaftswissenschaft/sdp/sdp18/sdp18004.pdf




Wirtz, M., 2018: Social Business Innovations: Cities, Microfinance, Charities, Joint Ventures.
https://d-nb.info/1161116249/34
 

Wirtz, M., 2022: Discussing Social Business - again. An Interview with Professor Muhammad Yunus. International Journal of Social Entrepreneurship and Innovation. Vol. 6, No. 2 
data/downloads/285348/Interview_Wirtz_Yunus.pdf
Deutsch: Wir diskutieren nochmal über Social Business.
data/downloads/285348/Yunus_Interview_Deutsch.pdf



Wirtz, M., 2023: Der Wiederaufbau der Ukraine - durch Hilfe zur Selbsthilfe. Forum Nachhaltig Wirtschaften, 04/2023. Online, Social Enterprise World Forum:
https://sewfonline.com/wp-content/uploads/2025/01/Rebuilding-Ukraine-helping-people-to-help-themselves-.pdf
English: Rebuilding Ukraine - Helping people to help themselves
data/downloads/285348/Rebuilding_Ukraine.pdf



Wirtz, M., 2024: Die sozial-ökologische Transformation - wie kann sie gelingen? Forum Nachhaltig Wirtschaften. Online-Publikation:
https://www.forum-csr.net/default.asp?news=20642
English: The socio-ecological transformation - how can it succeed?
data/downloads/285348/Socio-ecological_Transformation.pdf




Wirtz, M., 2024: Aspekte einer nachhaltigen Globalisierung. Working Papers in German and English.
data/downloads/285348/Globalisierung.pdf



Wirtz, M., 2024: Der Erfolg der extrem Rechten in Deutschland - Eine Analyse und Gegenmaßnahmen
data/downloads/285348/Wahlen_Deutschland.pdf
English: The Success of the Far Right in Germany - An Analysis and Countermeasures.
data/downloads/285348/Elections_Germany.pdf



Wirtz, M., 2025: What nobel laureates can teach us
data/downloads/285348/Lessons_learnt.pdf