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Prof. Dr. Rüdiger Hahn

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Prof. Dr. Rüdiger Hahn
Universitätsstraße 1
40225 Düsseldorf
Building: 24.31.
Floor/Room: 02.08
+49 211 81-11578

Prof. Dr. Rüdiger Hahn holds the Henkel-Endowed Chair of Sustainability Management at the Heinrich-Heine-University Düsseldorf (HHU) since 2018. Previously, from 2016 to 2018, he was Full Professor of Business Administration, esp. Sustainability Management at the University of Hohenheim and, from 2012 to 2016, Associate Professor of General Business Administration, esp. Corporate Sustainability at the University of Kassel. Following an apprenticeship in the advertising industry, he began his academic career at the HHU studying Business Administration. After completing his doctorate in 2009, he worked at the HHU as an Assistant Professor for Business Administration, esp. Sustainability and Corporate Responsibility from 2010 to 2012 and habilitated in 2012.

Prof. Hahn is a member of numerous national and international scientific organizations. He serves on the editorial boards of Business & Society, Organisation & Environment, and Business Strategy and the Environment. Since 2021 he is chairman of the sustainability council of the Heinrich-Heine-University Düsseldorf. From 2016 to 2020, Prof. Hahn was chairman (and vice chairman) of the Academic Commission for Sustainability Management of the German Academic Association for Business Research (VHB).  His work is regularly published in high-ranking and internationally recognized journals and he is involved in several major third-party-funded research projects.

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https://scholar.google.com/citations?user=DLYLp2MAAAAJ&hl

  1. Darcis, A.-C., Hahn, R., & Alt, E. (2023). Putting entrepreneurship in corporate change agency: A typology of social intrapreneurs. Business Ethics, Environment and Responsibility, OnlineFirst, https.//doi.org/10.1111/beer.12600
  2. Schlütter, D., Schätzlein, L., Hahn, R., & Waldner, C. (2023). Missing the Impact in Impact Investing Research – A Systematic Review and Critical Reflextion of the Literature. Journal of Management Studies, OnlineFirst,https://doi.org/10.1111/joms.12978
  3. Hahn, R., Reimsbach, D., & Wickert, C. (2023). Nonfinancial Reporting and Real Sustainable Change – Relationship Status: It’s Complicate. Organization & Environment, 36(1), 3-16.  https://doi.org/10.1177/10860266231151653 
  4. Schätzlein, L., Schlütter, D., & Hahn, R. (2023). Managing the External Financing Constraints of Social Enterprises: A Systematic Review of a Diversified Research Landscape. International Journal of Management Reviews, 25(1), 176-199. https://doi.org/10.1111/ijmr.12310
  5. Endenich, C., Hahn, R., Reimsbach, D., Wickert, C. (2022). Wait-and-seeism as partial adoption of management practices: The rise and stall of integrated reporting. Strategic Organization, OnlineFirst. https://doi.org/10.1177/14761270221078605
  6. Kühnen, M., Silva, S., & Hahn, R. (2022). From negative to positive sustainability performance measurement and assessment? A qualitative inquiry drawing on framing effects theory. Business Strategy and The Environment, 31(5), 1985-2000. https://doi.org/10.1002/bse.2994
  7. Kabengele, C., & Hahn, R. (2021). Institutional and firm-level factors for mobile money adoption in emerging markets – A configurational analysis. Technological Forecasting and Social Change, 171, 120934. https://doi.org/10.1016/j.techfore.2021.120934
  8. Ostertag, F., Hahn, R., & Ince, I. (2021). Blended value co-creation of social enterprises: A qualitative-empirical investigation of relationship designs. Journal of Business Research, 129, 428-445. doi.org/10.1016/j.jbusres.2021.02.006
  9. Hahn, R., Reimsbach, D., Kotzian, P., Feder, M., & Weißenberger, B. E. (2021). Legitimation Strategies as Valuable Signals in Non-Financial Reporting? Effects on Investor Decision-Making. Business & Society, 60(4), 943-978. doi.org/10.1177/0007650319872495
  10. Hahn, R., & Reimsbach, D. (2021). Bringing Signaling Theory to Intermediated Voluntary Disclosure - Commentary on 'Detecting False Accounts in Intermediated Voluntary Disclosure' by Patrick Callery and Jessica Perkins. Academy of Management Discoveries,  7(1), 155-157. https://doi.org/10.5465/amd.2020.0015
  11. Feilhauer, S., & Hahn, R. (2021). Evaluation of cross-sector partnerships for sustainability: A qualitative-empirical analysis on the relevance of formalization for firms’ evaluation practices. Business & Society, 60(3), 684-726. https://doi.org/10.1177/0007650319856633
  12. Feilhauer, S., & Hahn, R. (2021). Firm-nonprofit collaboration: Explaining the rationale behind firms’ cross-sector partner choices. Long Range Planning, 54(1), 101952. doi: 10.1016/j.lrp.2019.101952
  13. Hahn, R., Reimsbach, D., Wickert, C., & Eccles, R. (2020). Call for Papers: Special Issue of Organization & Environment on "Nonfinancial Disclosure and Real Sustainable Change Within and Beyond Organizations: Mechanisms, Outcomes, and Complications". Organization & Environment, 33(2), 311-314. https://doi.org/10.1177/1086026620923160
  14. Schiemann, F., Reimsbach, D., Hahn, R., & Schmiedchen, E. (2020). In the eyes of the beholder: Experimental evidence on the contested nature of materiality in sustainability reporting. Organization & Environment,  33(4), 624-651. https://doi.org/10.1177/1086026619875436
  15. Ince, I., & Hahn, R. (2020). How Dynamic Capabilities Facilitate Survivability of Social Enterprises: Qualitative Analysis of Sensing and Seizing Capacities. Journal of Small Business Management, 58(6), 1256-1290. https://doi.org/10.1111/jsbm.12487
  16. Hahn, R., Ostertag, F., Lehr, A., Büttgen, M., & Benoit, S. (2020). 'I like it, but I don't use it': Impact of carsharing business models on usage intentions in the sharing economy. Business Strategy and The Environment, 29(3), 1404-1418. https://doi.org/10.1002/bse.2441
  17. Roos, D., & Hahn, R. (2019). Understanding collaborative consumption – An extension of the theory of planned behavior by value-based personal norms. Journal of Business Ethics, 158(3), 679-697. https://doi.org/10.1007/s10551-017-3675-3
  18. Kühnen, M. & Hahn, R. (2019). From SLCA to positive sustainability performance measurement: A two-tier Delphi study. Journal of Industrial Ecology, 23(3), 615-634. https://doi.org/10.1111/jiec.12762
  19. Kühnen, M., Silva, S. L., Beckmann, J., Eberle, U., Hahn, R., Hermann, C., Schaltegger, S., Schmid, M. (2019). Contributions to the sustainable development goals in life cycle sustainability assessment: Insights from the Handprint research project. Sustainability Management Forum, 27(1), 65-82. https://doi.org/10.1007/s00550-019-00484-y
  20. Kühnen, M. & Hahn, R. (2018). Systemic social performance measurement: Systematic literature review and explanations on the academic status quo from a product life-cycle perspective. Journal of Cleaner Production, 205, 690-705. https://doi.org/10.1016/j.jclepro.2018.08.201
  21. Reimsbach, D., Hahn, R., & Gürtürk, A. (2018). Integrated Reporting and Assurance of ESG Information: An Experimental Study on Professional Investors' Information Processing. European Accounting Review, 27(3), 559-581. https://doi.org/10.1080/09638180.2016.1273787
  22. Oll, J., Hahn, R., Reimsbach, D., & Kotzian, P. (2018). Tackling complexity in Business & Society research: The methodological and thematic potential of factorial surveys. Business & Society, 57(1), 26-59. https://doi.org/10.1177/0007650316645337
  23. Hahn, R., & Spieth, P., & Ince, I. (2018). Business Model Design in Sustainable Entrepreneurship: Illuminating the Commercial Logic of Hybrid Businesses. Journal of Cleaner Production, 176, 439-451. https://doi.org/10.​1016/​j.​jclepro.​2017.​12.​167
  24. Kühnen, M., & Hahn, R. (2017). Indicators in social life cycle assessment: A review of frameworks, theories, and empirical experience. Journal of Industrial Ecology, 21(6), 1547-1565. https://doi.org/10.1111/jiec.12663
  25. Roos, D., & Hahn, R. (2017). Does shared consumption affect consumers' values, attitudes, and norms? A Panel Study. Journal of Business Research, 77, 113-123. https://doi.org/10.1016/j.jbusres.2017.04.011
  26. Brix-Asala, C., Hahn, R., & Seuring, S. (2016). Reverse logistics and informal valorisation at the Base of the Pyramid: A case study on sustainability synergies and trade-offs. European Management Journal, 34(4), 414-423. https://doi.org/10.1016/j.emj.2016.01.004
  27. Gürtürk, A., & Hahn, R. (2016). An empirical assessment of assurance statements in sustainability reports: Smoke screens or enlightening information? Journal of Cleaner Production, 136(A), 30-41. https://doi.org/10.1016/j.jclepro.2015.09.089
  28. Hahn, R., & Weidtmann, C. (2016). Transnational governance, deliberative democracy, and the legitimacy of ISO 26000: Analyzing the Case of a global multi-stakeholder process. Business & Society, 55(1), 90-129. https://doi.org/10.1177/0007650312462666
  29. Hahn, R., & Ince, I. (2016). Constituents and characteristics of hybrid businesses - A qualitative-empirical framework. Journal of Small Business Management, 54(S1), 33-52. https://doi.org/0.1111/jsbm.12295
  30. Reiner, G., Gold, S., & Hahn, R. (2015). Wealth and health at the Base of the Pyramid: Modelling trade-offs and complementarities for fast moving dairy product case. International Journal of Production Economics, 170(B), 413-421. https://doi.org/10.1016/j.ijpe.2015.08.002
  31. Hahn, R., & Lülfs, R. (2015). Organization, Strategy and Sustainability at HSE: Managing a Utilities Company in Times of the Energiewende. South Asian Journal of Business and Management Cases, 4(2), 143-158. https://doi.org/10.1177/2277977915596240
  32. Reimsbach, D., & Hahn, R. (2015). The effects of negative incidents in sustainability reporting on investors’ judgments - An experimental study of third-party versus self-disclosure in the realm of sustainable development. Business Strategy and the Environment, 24(4), 217-235. https://doi.org/10.1002/bse.1816
  33. Hahn, R., Reimsbach, D., & Schiemann, F. (2015). Organizations, Climate Change, and Transparency: Reviewing the Literature on Carbon Disclosure. Organization & Environment, 28(1), 80-102. https://doi.org/10.1177/1086026615575542
  34. Hahn, R., & Lülfs, R. (2014). Legitimizing negative aspects in GRI-oriented sustainability reporting: An explorative empirical analysis of corporate disclosure strategies. Journal of Business Ethics, 123(3), 401-420. https://doi.org/10.1007/s10551-013-1801-4
  35. Hahn, R., & Gold, S. (2014). Resources and Governance in ‘Base of the Pyramid’ Partnerships: Assessing Collaborations between Businesses and Non-Business Actors. Journal of Business Research, 67(7), 1321-1333. https://doi.org/10.1016/j.jbusres.2013.09.002
  36. Lülfs, R., & Hahn, R. (2014). Sustainable behavior in the business sphere – A comprehensive overview of the explanatory power of psychological models. Organization & Environment, 27(1), 43-64. https://doi.org/10.1177/1086026614522631
  37. Hahn, R., & Reimsbach, D. (2014). Are we on track with sustainability literacy? – A viewpoint on the influence of sustainability and accounting education on future managers’ processing of sustainability information. Journal of Global Responsibility, 5(1), 55-67. https://doi.org/10.1108/JGR-12-2013-0016
  38. Hahn, R. (2013). ISO 26000 and strategic management processes for corporate sustainability and social responsibility. Business Strategy and the Environment, 22(7), 442-455. doi: 10.1002/bse.1751
  39. Gold, S., Hahn, R., & Seuring, S. (2013). Sustainable supply chain management in ‘Base of the Pyramid’ food projects - A path to triple bottom line approaches for multinationals? International Business Review, 22(5), 784-799. https://doi.org/10.1016/j.ibusrev.2012.12.006
  40. Hahn, R., & Kühnen, M. (2013). Determinants of sustainability reporting: A review of results, trends, and opportunities in an expanding field of research. Journal of Cleaner Production, 45, 5-21. https://doi.org/10.1016/j.jclepro.2013.07.005
  41. Lülfs, R., & Hahn, R. (2013). Corporate greening beyond formal programs, initiatives, and systems: A conceptual model for voluntary pro-environmental behavior of employees. European Management Review, 10(2), 83-98. https://doi.org/10.1111/emre.12008
  42. Hahn, R. (2013). Zur Normierung gesellschaftlicher Verantwortung - ISO 26000 im analytischen Vergleich mit ISO 14000 und SA8000. Zeitschrift für Wirtschafts- und Unternehmensethik, 14(3), 378-400
  43. Hahn, R., & Zamantili Nayir, D. (2013). Normative and Cognitive Influences on Female Entrepreneurial Reluctance at the Base of the Pyramid – An Explorative Study of Cleaning Ladies in Istanbul. Journal of Pro-Poor Growth, 1(1), 56-69
  44. Hahn, R. (2012). Standardizing social responsibility? New perspectives on guidance documents and management system standards for sustainable development. IEEE - Transactions on Engineering Management, 59(4), 717-727. https://doi.org/10.1109/TEM.2012.2183639
  45. Hahn, R. (2012). Inclusive business, human rights and the dignity of the poor: A glance beyond economic impacts of adapted business models. Business Ethics - A European Review, 21(1), 47-63. https://doi.org/10.1111/j.1467-8608.2011.01640.x
  46. Hahn, R. (2012). Transgenic crops in developing countries - Can new business models make a difference in fostering sustainability and mitigating non-technological risks from innovation? International Journal of Business Insights and Transformation, 4(3), 30-37
  47. Hahn, R. (2012). Corporate citizenship in developing countries: Conceptualisations of human-rights-based evaluative benchmarks. African Journal of Business Ethics, 6(1), 30-38. https://doi.org/10.4103/1817-7417.104700
  48. Hahn, R. (2011). Internationale Standardfindung und Global Governance: Zur Legitimität des Entstehungsprozesses der Leitlinie ISO 26000. Die Betriebswirtschaft, 71(2), 121-137
  49. Hahn, R. (2011). Integrating corporate responsibility and sustainable development - A normative-conceptual approach to holistic management thinking. Journal of Global Responsibility, 2(1), 8-22. https://doi.org/10.1108/20412561111128492
  50. Hahn, R., & Wagner, G. R. (2009). Menschenwürde und Unternehmensverpflichtung an der Base of the Pyramid. Zeitschrift für Wirtschafts- und Unternehmensethik, 10(1), 85-105
  51. Hahn, R. (2009). The ethical rational of business for the poor - Integrating the concepts bottom of the pyramid, sustainable development, and corporate citizenship. Journal of Business Ethics, 84(3), 313-324. https://doi.org/10.1007/s10551-008-9711-6
  1. Hahn, R. (2022). Sustainability Management - Concepts, Instruments, and Stakeholders from a Global Perspective. R. Hahn.
  2. Hahn, R., Janzen, H., & Matten, D. (Eds.). (2012). Die gesellschaftliche Verantwortung des Unternehmens: Hintergründe, Schwerpunkte und Zukunftsperspektiven. Schäffer-Poeschel.
  3. Hahn, R. (2009). Multinationale Unternehmen und die „Base of the Pyramid“ - Neue Perspektiven von Corporate Citizenship und Nachhaltiger Entwicklung. Gabler.
  1. Hahn, R. (2023). Teaching Sustainability Management. Global Focus - The EFMD Business Magazine, 17(1), 73-78
  2. Hahn, R. (2011). Base of the Pyramid. Forum Wirtschaftsethik, 19(3/4), 84-85
  3. Hahn, R. (2009). Das Konzept ‚Base of the Pyramid: Integrative Geschäftsmodelle in Entwick­lungsländern. Wirtschaftswissenschaftliches Studium, 2009(8), 402-406. doi: 10.15358/0340-1650-2009-8-402
  4. Hahn, R., & Grünschloß, C. (2008). CSR と〈ピラミッドの最底辺〉アプローチ -〈最貧困層〉に対する西側企業の取組みはいかに具体化されうるか. Journal of the European Center of Nanzan University, 14, 19-32 (japanese translation of the article Hahn/Grünschloß 2008 in the section "edited volumes")
  1. Hahn, R. (2018). Sustainable Development and Sustainability Management. In I. Lewandowski (Ed.), Bioeconomy - Shaping the Transition to a Sustainable, Biobased Economy (pp. 247- 257). Cham, Switzerland: Springer
  2. Hahn, R. (2016). Zur Legitimität des Entstehungsprozesses der Leitlinie ISO 26000. In M. Scholz; C. Czuray (Eds.), Die Normierung der gesellschaftlichen Verantwortung von Organisationen (pp. 13-28). Berlin: Springer
  3. Hahn, R. (2013). Ethische Grundlagen des betrieblichen Nachhaltigkeitsmanagement. In A. Baumast, & J. Pape (Eds.), Betriebliches Nachhaltigkeitsmanagement (pp. 44-57). Stuttgart: UTB Ulmer
  4. Hahn, R. (2013). Corporate Citizenship - Unternehmen als politische Akteure. In A. Baumast & J. Pape (Eds.), Betriebliches Nachhaltigkeitsmanagement (pp. 123-138). Stuttgart: UTB Ulmer
  5. Hahn, R. (2012). Zur ethischen Fundierung von Corporate Responsibility und Nachhaltiger Entwicklung als normative Handlungspostulate. In R. Hahn, H. Janzen & D. Matten (Eds.), Die gesellschaftliche Verantwortung des Unternehmens: Hintergründe, Schwerpunkte und Zukunftsperspektiven (pp. 201-217). Stuttgart: Schäffer-Poeschel
  6. Matten, D., Janzen, H., & Hahn, R. (2012). Die gesellschaftliche Verantwortung des Unternehmens - Einführung. In R. Hahn, H. Janzen & D. Matten (Eds.), Die gesellschaftliche Verantwortung des Unternehmens: Hintergründe, Schwerpunkte und Zukunftsperspektiven (pp. 1-17). Stuttgart: Schäffer-Poeschel
  7. Hahn, R. (2011). Corporate Responsibility in betriebswirtschaftlicher Diskussion - Kritische Reflexion und Begründungsgrundlagen unternehmerischer Gesellschaftsverantwortung. In H. M. Piper (Ed.), Neues aus Wissenschaft und Lehre (pp. 525-537). Düsseldorf: Düsseldorf University Press
  8. Hahn, R., & Wagner, G.R. (2010). 企業の義務としての最貧者たちの尊厳. In Y. Katô (Ed.), Japanisches Jahrbuch für Wissenschaft und Ethik 2010 - Band 1 (pp. 46-59). Nagoya: Nanzan University. (japanische Übersetzung des Beitrags Hahn/Wagner 2009 der Rubrik „Beiträge in doppelt-blind-referierten Zeitschriften“)
  9. Hahn, R. (2008). Sustainable development at the BoP - On integrated approaches beyond trade-off-thinking. In P. Kandachar & M. Halme (Eds.), Sustainability challenges and solutions at the base of the pyramid: Business, technology and the poor (pp. 446-461). Sheffield: Greenleaf
  10. Hahn, R., & Grünschloß, C. (2008). CSR und der Ansatz ‚Bottom of the Pyramid‘ - Gestaltungsmöglichkeiten eines Engagements westlicher Unternehmen im Segment ‚Ärmste der Armen‘. In M. Müller & S. Schaltegger (Eds.), Corporate Social Responsibility - Trend oder Modeerscheinung? (pp. 79-93). München: oekom
  11. Wagner, G.R., Hahn, R., & Nowak, T. (2004). Das ‚Montréal-Projekt‘ - Wirtschaftswissenschaftliche Kompetenz im internationalen Studienwettbewerb. In A. Labisch (Ed.): Jahrbuch der Heinrich-Heine-Universität Düsseldorf 2004 (pp. 381-389). Düsseldorf: Heinrich-Heine-Universität Düsseldorf.
  1. Hahn, R. (2021). Geschmack gegen Fakten. Getränke Zeitung, Ausgabe 17, 19.08.2021, p. 2.
  2. Circular Economy Initiative Deutschland (Hrsg.): Kunststoffverpackungen im geschlossenen Kreislauf – Potenziale, Bedingungen, Herausforderungen, Elnser, P., Müller-Kirschbaum, T., Schweitzer, K., Wolf, R., Seiler, E., Désilets, P., Detsch, R., Dornack, C., Ferber, J., Fleck, C., Fröhling, M., Hagspiel, K., Hahn, R., Haupts, C., Hoffmann, C., Krüger, P., Lange, M., Leopold, T., Löscher, M., Niedersüß, P., Ohlendorf, T., Pattberg, J., Renner, M., Schlarb, A. K., Schmidt, M., Siebert, H., Siggelkow, B. A., Stadelmann, S., Thielen, J., Wilts, H., Beermann, M., Dieterle, M., Ecke, N., Klose, S., Kobus, J., Krause, L., Maletz, R., Marm, A. und Kadner, S., acatech/SYSTEMIQ, München/LondonAtalay, N., Conzelmann, A., Hahn, R., & McClellan, A. (2020). Hemmnisse der Integration von E(SG)-Daten in Investmentprozesse. Policy-Brief des BMBF-Projekts „CRed“, Oktober 2020. https://www.climate-reporting.hhu.de/fileadmin/redaktion/Fakultaeten/Wirtschaftswissenschaftliche_Fakultaet/Sustainability/2020-11-05_Policy-Brief-CRED2.pdf.
  3. Schiemann, F., Busch, T., Bassen, A., Klein, C., Jürgens, I., Moslener, U., Wilkens, M., Hahn, R., Reimsbach, D., Pioch, T., Bauckloh, T., Kopp, M., & Tober, C. (2019). Verpflichtende klimabezogene Unternehmens-Berichterstattung als Mittel zur Reduzierung von CO2-Emissionen. Policy-Brief der Wissenschaftsplattform Sustainable Finance und des BMBF-Projekts „CRed“, Februar 2020. https://www.climate-reporting.hhu.de/fileadmin/redaktion/Oeffentliche_Medien/Fakultaeten/Wirtschaftswissenschaftliche_Fakultaet/Sustainability/Policy_Brief_Verpflichtende_klimabezogene_Unternehmens-Berichterstattung.pdf
  4. Kühnen, M., Hahn, R., Silva, S. L. & Schaltegger, S. (2017). Verständnis und Messung sozialer und positiver Nachhaltigkeitswirkungen: Erkenntnisse aus Literatur, Praxis und Delphi-Studien – Arbeitspapier Nr. 1 im Rahmen des Projekts „Der Handabdruck: Ein komplementäres Maß positiver Nachhaltigkeitswirkung von Produkten“ (in Zusammenarbeit mit Eberle, U., Schmid, M., Beckmann, J., Eisenhauer, P. & Hermann, C.). Lüneburg: Verein CSM e.V.
  5. Beckmann, J., Eberle, U., Eisenhauer, P., Hahn, R., Hermann, C., Kühnen, M., Schaltegger, S., Schmid, M. & Silva, S. L. (2017). Der Handabdruck: Ein Ansatz zur Messung positiver Nachhaltigkeitswirkungen von Produkten. Stand und Ausblick – Arbeitspapier Nr. 2 im Rahmen des Projekts „Der Handabdruck: Ein komplementäres Maß positiver Nachhaltigkeitswirkung von Produkten“. Lüneburg: Verein CSM e.V.
  6. Hahn, R. (2016). Gesellschaft. In K. R. Kirchhoff (Ed.), Good Company Ranking 2016 - Corporate Social Responsibility-Wettbewerb der 30 grössten Konzerne Deutschlands (pp. 7-12). Hamburg: Kirchhoff Consult AG
  7. Hahn, R. (2013). Gesellschaft. In K. R. Kirchhoff (Ed.), Good Company Ranking 2013 - Corporate Social Responsibility-Wettbewerb der 70 grössten Konzerne Europas (pp. 9-14). Hamburg: Kirchhoff Consult AG
  8. Hahn, R. (2012). Host Europe: Advancing CSR and Sustainability in a Medium-sized IT Company. In J. T. Lawrence & P. W. Beamish (Eds.), Globally Responsible Leadership - Business According to the UN Global Compact (pp. 414-433). Thousand Oaks: Sage Publications (zugleich Ivey Case Study #9B10M042)
  9. Hahn, R. (2010). Host Europe: Starting Points for CSR and Sustainability in a Medium-sized IT-company, ECCH Case Study 710-025-1 & Teaching Note 710-025-8, Juni 2010
  10. Hahn, R. (2010). Klausur 5: Produktions- und Supply Chain-Management. In T. Mindermann, (Ed.), BWL-Klausuren für das Bache­lor-Studium (pp. 9, 66-71). Norderstedt: BoD
  11. Hahn, R. (2010). Klausur 6: Produktionswirtschaft. In T. Mindermann, (Ed.), BWL-Klausuren für das Bache­lor-Studium (pp. 10-12, 72-77). Norderstedt: BoD
  12. Hahn, R. (2010). Klausur 7: Produktionstheorie. In T. Mindermann, (Ed.), BWL-Klausuren für das Bache­lor-Studium (pp. 13-15, 78-84). Norderstedt: BoD.
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