2026

News from the team [08.07.2026]

Sara Dusel contributed to the Animal Welfare Economics Conference at the University of Chicagomore


New Publication [03.07.2026]

Ayoub Barissoul has published his article "A meta-analysis of trade-offs between agricultural production and ecosystem services: a biplot-based synthesis"more


News from the team [02.07.2026]

Appointment of Prof. Dr. Christine Wieck as Co-Chair of the WBAEmore


ARIUC Conference 2026 [02.07.2026]

From June 9–11, 2026, an international conference on Agroecology and Sustainable Value Chains was held at Hohenheim Castlemore


Designing Minimum Wage Policies: Lessons from Ghana and South Africa [22.06.2026]

Akwasi Acheampong Asiedu did it - he successfully submitted and defended his master’s thesis “The institutional perspective of the minimum wage: A comparison between South Africa and Ghana” in March 2026. Here, he presents his findings and his experiences during the writing process.more


New Publication [19.06.2026]

Two members of our team and an external researcher have published the new working paper "Non-anthropocentric cost-benefit analysis based on animals’ willingness to pay" more


News from the team [15.06.2026]

On June 12, Gideon Mawenge successfully defended his doctoral dissertation. more


Organic Farming in Iran: A Decade of Change [08.06.2026]

A new study investigates the decline of organic farming in Iranmore


News from the team [01.06.2026]

Olayinka Idowu Kareem is a member of the German Alliance for Global Health Research (GLOHRA)more


News from the Team [01.06.2026]

Sara Dusel is affiliate of the Animal Welfare Economics Working Groupmore


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  • 15.04. - 08.07.2026 | Research Seminar
    In the winter semester 2025/26, the research seminar “Policy, Markets, and Trade in the Bioeconomy” will be held by departments 420a, 420b, 420c, 420d, and 490b.
    Link to the research seminar
  • 04.03.2026 | Publication
    Stefan Hirsch, Ayoub Barissoul, Niklas Möhring, Max Koppenberg (2026) "Profitability and exit decisions of organic dairy farmers in the EU". Food Policy, Volume 139. https://doi.org/10.1016/j.foodpol.2026.103034

  • 10.02.2026 | Publication
    Kareem, Olayinka Idowu (2026) "Technical measures and agri-food trade between traditional economic partners: emerging issues from the EU-Africa trade relations". Journal of Agribusiness in Developing and Emerging Economies. https://doi.org/10.1108/JADEE-05-2024-0165

  • 26.01.2026 | Call for Contributions: Three-Day Symposium in June 2026
    From June 9 and 11 2026, the University of Hohenheim will host a symposium on “Agroecology, Climate Resilience, and Indigenous and Underutilised Crops: Rethinking Value Chains for Sustainable Food Futures”. 

    We invite researchers and practitioners to submit abstracts for oral and poster presentations on topics such as:
    - Agroecological practices
    - Climate resilience and adaptation
    - Breeding and genomic approaches
    - Crop diversity and conservation
    - Value chain development and market access
    - Food security and nutrition

    Key dates:
    Abstract submission deadline: February 25, 2026
    Notification of acceptance: March 10, 2026
    Registration deadline: May 9, 2026

    Further details on the program, registration, and abstract submission will be available soon on the symposium website.

  • 15.10.2025-29.01.2026 | Research Seminar
    In the winter semester 2025/26, the research seminar “Policy, Markets, and Trade in the Bioeconomy” will be held by departments 420a, 420b, 420c, 420d, and 490b.
    Link to the research seminar

2025

  • 16.10.2025 | Publication
    Sara Dusel, Christine Wieck. Animal welfare in non-anthropocentric cost-benefit analysis and social welfare functions: A critical review to guide practical application, European Review of Agricultural Economics, 2025 https://doi.org/10.1093/erae/jbaf034

  • 08.10.2025 | New Member in the Department
    The department is delighted to announce the arrival of Sonia Martínez-Girón, PhD candidate at Nebrija University (Madrid). Her research explores the link between food security and terrorism. Starting in October, she will join us as a guest researcher. We warmly welcome her to our team!

  • 07.10.2025 | Statement on the topic of “restructuring animal husbandry”
    In her latest LinkedIn post, Prof. Dr. Christine Wieck criticizes the abolition of the federal program for restructuring animal husbandry. Her main arguments and comments from other experts can be found in the full post on LinkedIn.

  • 07.10.2025 | Appearance on ARD’s “Morgenmagazin”
    Prof. Dr. Christine Wieck spoke on ARD's Morgenmagazin program about the abolition of the federal program to promote the conversion of animal husbandry (BUT). She explained the possible consequences for farmers. The full-length report is available in German in the ARD media library.

  • 01.10.2025 | Keynote speech on the direction of the CAP after 2027
    In a keynote speech to the working group on “Regional marketing of agricultural products and consumer expectations,” Prof. Dr. Christine Wieck provided an overview of societal requirements and recommendations for action for the new CAP. You can find the key points in Prof. Wieck's post on LinkedIn.

  • 16.09.2025 | Kick-off of the UKUDLA Summer School
    The German-African center of excellence UKUDLA officially launched in Cape Town on September 16, 2025. UKUDLA promotes evidence-based approaches to understanding and improving food systems across their entire spectrum—from agricultural production, processing, and distribution to nutrition, consumption, food safety, and food security. Further information on the kick-off can be found in the Hohenheim Online Courier and in this article on LinkedIn.

  • 28.08.2025 | Publication
    Kareem, O.I., Akeremale, M., Wieck, C. et al. Household decision dynamics and food insecurity: evidence from the one-cow-per-poor-family programme in Rwanda. SN Business & Economics, article number 132 (2025). https://doi.org/10.1007/s43546-025-00904-w

  • 28.08.2025 | Publication
    Babajani, A., Ahmadi, S., Wieck, C., Ahmadi, A., & Babajani, M. (2025). Consumers’ Willingness to Pay for Organic Foods in Tehran: A Mixed‐Methods Study. Urban Planning, 10, Article 9720. https://doi.org/10.17645/up.9720

  • 26.–29.08.2025 | Contribution at the 18th EAAE Congress
    A member of the department presented the poster “Dusel, S., Wieck, C. (2025): Non-Anthropocentric Cost-Benefit Analysis Based On Animals' Willingness to Pay” at this year's European Association of Agricultural Economists (EAAE) Congress. 

  • 10–14.08.2025 | Contribution at the 27th Indigenous Plant Use Forum
    Two staff members from the Institute of Agricultural Policy and Agricultural Market Research are participating in the 27th Indigenous Plant Use Forum as part of the INCrease project at the University of Hohenheim. The forum, held from 10 to 14 August 2025, promotes international exchange on knowledge and the sustainable use of indigenous plants.



  • 01.07.2025 | Lecture
    Invitation to a lecture and discussion on the topic: "How do we feed the world?"

  • 05.05.-23.06.2025 | Lecture series
    In the Future Commission on Agriculture (ZKL), stakeholders from science, NGOs and agricultural associations have developed recommendations for the sustainable development of the agricultural and food sector. The Department of Agricultural and Food Policy (420a) invites you to join us in considering these approaches and discussing possible starting points for their implementation.
    Members of the ZKL will present selected recommendations in short keynote presentations. This will be followed by an opportunity for discussion with the speakers.

2024

  •  31.10.2024 | Presentation
    Wieck, C. (2024). The EU Green Deal with focus on EU Deforestation Regulation and due diligence. Presentation at the Annual Meeting of the Chamber of Agriculture of Namibia, 31.10.2024. Online.
  • 19.09.2024 | Presentation
    Wieck, C. (2024). Shaping global supply chains using the example of the new due diligence obligations for companies in the agricultural and food sector. Key note plenary lecture at the „34th Annual Conference of the Austrian Society of Agricultural Economics”, University of Natural Resources and Life Sciences, 19.09.2024, Vienna.0
  • 04.07.2024 | Interview
    Tagesspiegel (2024). So steht es um die Selbstversorgung in der EU. Background Tagesspiegel Agrar & Ernährung. 04.07.2024.
  • 25.04.2024
    Prof. Dr. Wieck is co-author of a new study on “Geostrategic Aspects of Policies on Food Security in the Light of Recent Global Tensions - Insights from Seven Countries”. The study includes country studies on the USA, Brazil, China, the Philippines, Nigeria, the UK and the EU. Link to the study: AgEcon Search, see also: LinkedIn/kristinamensah.
    The study was funded by the International Agricultural Trade Research Consortium.
  • 27.03.2024 | Interview
    General-Anzeiger-Bonn (2024). Keine Lösung, woanders zu produzieren. The agricultural economist on the weakened EU supply chain law and what it means for Germany. Newspaper interview. 27.03.2024.
  • 15.03.2024 | Wirtschaftsdienst
    Prof. Dr. Christine Wieck, Prof. Dr. Sebastian Hess and M.Sc. Kristina Mensah have published an article entitled " Zwei Ernten später – der Ukrainekrieg und seine Folgen für die globale Versorgung und die europäische Agrar- und Ernährungspolitik " in the journal Wirtschaftsdienst.
  • 29.02.2024 | Presentation
    Prof. Dr Christine Wieck gave a talk on " Tierschutzpolitik zwischen Staat und Markt – eine Bestandsaufnahme " at Nutztierforum at the Research Institute for Farm Animal Biology in Dummerstorf: "Der Tierhaltung eine Zukunft geben".
  • 26.02.2024 | Presentation
    Wieck, C. (2024). EU perspective on the EU Green Deal: Status Quo, implications for Southern Africa, and building opportunities. Public lecture at the Department of Agricultural Economics
    Stellenbosch University, 26.02.2024. Stellenbosch (Südafrika).
  • 01.02.2024 | Wissenschaftlicher Beirat für Agrarpolitik, Ernährung und gesundheitlichen Verbraucherschutz (WBAE)
    In an online webinar of the WBAE for stakeholders in Brussels and at EU level, Prof. Dr. Wieck gave the introductory keynote speech on the topic "Why do we need binding due diligence?". Other participants were Bernd Lange (MEP), Leonard Mizzi (DG INTA, EU) and Dr. Bettina Rudloff (SWP).
  • 01.02.2024 | Presentation
    Wieck, C. (2024). Fight against paper tigers and bureaucracy monsters: How to make new due diligence regulations become a success. Keynote on “Why do we need binding due diligence?”, 01.02.2024. Online.
  • 18.01.2024 | Global Forum on Food and Agriculture
    At the Global Forum on Food and Agriculture in Berlin, the WBAE, together with the OECD, held an expert panel on "Neue Anforderungen der Sorgfaltspflicht für Unternehmen im Agrar- und Ernährungssektor: Normdiffusion und Partner Uptake".
  •  12.01.2024 | Evangelisches Bauernwerk
    “Animal welfare, the market, and public policies – An overview“
    Presentation by Prof. Dr. Christine Wieck and Sara Dusel [in German] at an event organised by „Evangelisches Bauernwerk in Württemberg e.V.“ at the „Ländliche Heimvolkshochschule Hohebuch“.
  • 12.01.2024 | Presentation
    Wieck, C. (2024). Tierschutzpolitik zwischen Markt und Staat – Eine Bestandsaufnahme. Hohebucher Agrargespräch 2024, 12.01.2024. Waldenbuch.

2023

  • 18.12.2023 | Presentation
    Wieck, C. (2023). Herausforderungen und neue Architektur der GAP in Deutschland. Further training of the LEL on the CAP, 18.12.2023 Online.
  • 15.12.2023 | Interview
    Lebensmittelzeitung (2023). Weder Papiertiger, noch Bürokratiemonster. No. 50, Page 4, 15.12.2023. doi.org/10.51202/0947-7527-2023-50
  • 11.12.2023 | Presentation
    Wieck, C. (2023). Lieferkettengesetze dürfen nicht zum Papiertiger werden. Keynote. Virtual specialist event on the new WBAE report. 11.12.2023. Online.
  • 11.12.2023 | Interview
    AgrarEurope (2023). Sorgfaltspflichten als Chance für fairen Wettbewerb. Interview with Christine Wieck and Achim Spiller in AgrarEurope. 11.12.2023.
  • 08.12.2023 | Presentation
    Wieck, C. (2023). Neue Sorgfaltspflichten für Unternehmen des Agrar- und Ernährungssektors: Empfehlungen zu aktuellen Gesetzesentwicklungen“. Keynote speech on the presentation of the report to the federal minister. 08.12.2023. Online.
  • 08.12.2023 | Press release
    WBAE (2023). Lieferkettengesetze zielorientiert gestalten: Sie sollten weder zum Papiertiger noch zum Bürokratiemonster werden. Press release freom University of Hohenheim for WBAE. 08.12.2023
  •  07.12.2023 | European Commission
    For the reforms of the EU legislation on animal welfare during transport, the European Commission (DG SANTE) has commissioned an external impact assessment study to which Prof. Dr. Christine Wieck and M.Sc. Sara Dusel contributed as co-authors.

  • 04.12.2023 |The Scientific Advisory Board on Agricultural Policy, Food and Consumer Health Protection (WBAE)
    Invitation to the specialist event to present the new report by the BMEL Scientific Advisory Board on due dilligence "Supply chain legislation must not become a paper tiger"
  • 26.04.2023 | Economic Committee for Foreign Trade Issues at the BMEL
    Prof. Dr Wieck was invited as a guest to the Economic Committee for Foreign Trade Issues of the Federal Ministry of Food and Agriculture and gave a presentation on "Resilience and Due Diligence in Agricultural Supply Chains"
  • 20.04.2023 | Evangelisches Bildungswerk
    "Agriculture in Europe: Local Supply Security and Global Food Security - a Contradiction."
    Lecture by Prof. Dr. Christine Wieck and Kristina Mensah at an event organised by the Evangelische Erwachenbildung and the Evangelisches Bildungswerk in the Heidenhein district

  • 19.04.2023 |  EU Animal Welfare Policies
    PhD student Sara Dusel and Prof. Dr. Christine Wieck have published a Correspondence in Nature Food where they comment on the on-going reforms of EU animal welfare legislation (“Evidence gaps hinder animal welfare progress in the European Union").
  • 21.03.2023 | The Scientific Advisory Board on Agricultural Policy, Food and Consumer Health Protection (WBAE)
    The Scientific Advisory Board - with Prof. Dr Wieck as a member - has published a new statement on the topic of food poverty under pandemic conditions.