Prof. Dr. Christian Stummer

Christian Stummer holds the Chair of Innovation and Technology Management at the Faculty of Business and Economics at Bielefeld University. Currently, he also serves as the managing director of this faculty’s Research Institute for Technological Innovation, Market Development, and Entrepreneurship (iTIME), the academic director of the university’s Centre of Entrepreneurship (ZUg), the chair of the “Management” profile in the Bielefeld Graduate School of Business and Economics (BiGSEM), and the vice dean of the faculty.

He received a master’s degree in business informatics from the University of Vienna and Technical University of Vienna in 1993, a doctoral degree in economics and social sciences from the University of Vienna in 1998, and a venia docendi (habilitation) in business administration from the University of Vienna in 2003. During the time as a researcher at the Department of Business Administration at the University of Vienna (starting in 1994), Christian Stummer also was the head of the Research Group “Digital Business (dbiz)” at the private-public partnership Electronic Commerce Competence Center (EC3) in Vienna, set up a research group of his own, financed through third-party research funds, stayed for a year as a visiting associate professor of research at the Department of Management Science and Statistics at the University of Texas at San Antonio (financed through the Austrian Science Fund), and served as the director of studies as well as the vice dean of the Faculty of Business, Economics, and Statistics. In 2010, he was appointed full professor (W3) for the newly established Chair of Innovation and Technology Management at Bielefeld University.

His research interests comprise economic implications of smart products and services (e.g., corresponding business model innovations, smartness barriers), market diffusion of innovations and technologies (e.g., planning the market introduction of new products, multi-generation technology succession, path dependencies in the development of dominant designs), issues arising from the cooperation between market players in developing new products or services (e.g., between an incumbent firm and a startup company or between universities and industry), further challenges of managing research and development (e.g., R&D project selection and resource allocation), and the growth of digital platforms (e.g., measures for overcoming the chicken-and-egg problem when establishing a two-sided platform). In order to address these topics, various methods are applied (and combined, if necessary), which include agent-based market simulation, quantitative empirical studies (mostly based on vignette studies), qualitative empirical studies (e.g., interviews and/or case studies), and mathematical modeling of real-world problems and (interactive) decision support.

Christian Stummer has published more than 120 scientific papers. In serving the scientific community, he was the chair of the Working Group on “Simulation and Optimization of Complex Systems” of the German Operations Research Society (GOR), is the co-editor of the Central European Journal of Operations Research, has managed special issues for several scientific journals, and has provided reviews for more than fifty journals and several research agencies.

• Geschäftsführender Direktor des Instituts für Technologische Innovation, Marktentwicklung und Entrepreneurship (iTIME)

• Wissenschaftlicher Leiter des Zentrums für Unternehmensgründung (ZUg)

• Prodekan der Fakultät für Wirtschaftswissenschaften

• Stellvertretender Chairman sowie Profilverantwortlicher für "Management" in der Bielefeld Graduate School of Economics and Management (BiGSEM)

• Mitglied in der Bielefeld Graduate School of Theoretical Sciences (BGTS)

• Verantwortlicher für das Master-Profil "Management, Innovation, Marketing"

• Mitglied des Center for Uncertainty Studies (CeUS)

• Mitglied des Joint Institute for Individualisation in a Changing Environment (JICE)

• Dawid H, Kohlweyer D, Schleef M, Stummer C. The role of uncertainty for product announcement strategies: The case of autonomous vehicles. Journal of Institutional and Theoretical Economics. Accepted.
• Haurand MD, Stummer C. Determining the right time to advertise adopter numbers for a two-sided digital platform: An agent-based simulation optimization approach. EURO Journal on Decision Processes. 2023;11: 100032.
• Bilstein N, Stummer C. Editorial - Special issue: Managing smart services and smart service systems. Journal of Service Management Research. 2023;7(1):2-6.
• Dawid H, Kohlweyer D, Schleef M, Stummer C. The Role of Uncertainty for Product Announcement Strategies: The Case of Autonomous Vehicles. Center for Uncertainty Studies Working Papers . Vol 1. Bielefeld: Universität Bielefeld, Center for Uncertainty Studies (CeUS); 2023.
• Schleef M, Bilstein N, Schrader P, Stummer C. When smart products become dumb (again): Voluntary and legally required service updates and their impact on consumers' purchase intention. Journal of Service Management Research. 2023;7(1):52-65.
• Kaldewei M, Stummer C. Brand effects on consumption values and use-diffusion of smart consumer products. In: Roth S, Corsten H, eds. Handbuch Digitalisierung. München: Vahlen; 2022: 857-874.
• Michler O, Stummer C, Decker R. Can the GDPR allay privacy concerns towards smart products? The effect of a compliance seal on perceived data security, trust, and intention to use. In: Kö A, Francesconi E, Kotsis G, Tjoa AM, Khalil I, eds. Proceedings of the International Conference on Electronic Government and the Information Systems Perspective (EGOVIS). Lecture Notes in Computer Science. Vol 13429. Cham: Springer; 2022: 77-91.
• Klein M, Kundisch D, Stummer C. Feeless micropayments and their impact on business models. In: Roth S, Corsten H, eds. Handbuch Digitalisierung. München: Vahlen; 2022: 799-813.
• Kaiser MI, Malsch A, Abendroth A, et al. Interdisciplinary perspectives on individualisation in environments. Interdisciplinary Journal of Philosophy. Unpublished.
• Schleef M, Rademacher T, Stummer C. The spy who saves me: Can emergency detection capabilities in a smart home environment outweigh data usage concerns? In: Proceedings of the Pacific Asia Conference on Information Systems (PACIS). AIS Electronic Library; 2022.
• Kaiser I, Schleef M, Stummer C. Wenn die digitale Transformation Entrepreneure schafft: Die Unternehmensausgründung von appWash aus Miele. Betriebswirtschaftliche Forschung und Praxis. 2022;74(2):135-155.
• Rand W, Stummer C. Agent-based modeling of new product market diffusion: An overview of strengths and criticisms. Annals of Operations Research. 2021;305(1-2):425-447.
• Stummer C, Kiesling E. An agent-based market simulation for enriching innovation management education. Central European Journal of Operations Research. 2021;29(1):143-146.
• Stummer C, Engin A. A tribute to Rudolf Vetschera. Central European Journal of Operations Research. 2021;29(1):1-6.
• Stummer C, Lüpke L, Günther M. Beaming market simulation to the future by combining agent-based modeling with scenario analysis. Journal of Business Economics. 2021;91(9):1469-1497.
• Klein M, Strauss C, Stummer C. Business information through choice-based conjoint analysis: The case of electric vehicle home charging. In: Kryvinska N, Poniszewska-Maranda A, eds. Development in Information & Knowledge Management for Business Applications, Volume 2. Springer; 2021: 357-379.
• Klein M, Stummer C. Feeless micropayments as drivers for new business models: Two exemplary application cases. Frontiers in Blockchain. 2021;4: 641508.
• Schleef M, Steinlechner J, Stummer C. Much alike, yet different: Digital innovation labs in family/non-family business. In: Bitran I, Conn S, Gernreich C, Huizingh E, Torkkeli M, Yang J, eds. Proceedings of the XXXII ISPIM Innovation Conference. LUT Scientific and Expertise Publications; 2021: 1-13.
• Stummer C, Zsifkovits M, Doerner KF. Preface: The modeling and simulation of complex systems. Annals of Operations Research. 2021;305(1-2):423-424.
• Backs S, Jahnke H, Lüpke L, Stücken M, Stummer C. Traditional versus fast fashion supply chains in the apparel industry: An agent-based simulation approach. Annals of Operations Research. 2021;305(1-2):487-512.
• Schleef M, Bilstein N, Stummer C. "Shh! … I got help to become smart": Should incumbent firms disclose their cooperation with a startup? In: Proceedings of the International Conference on Information Systems (ICIS). International Conference on Information Systems (ICIS) . Atlanta, Ga.: AIS eLibrary; 2020.
• Schleef M, Steinlechner J, Strauss C, Stummer C. Cooperation between performance and innovation engine: An exploratory study of digital innovation labs in family business. In: Luo Y, ed. Cooperative Design, Visualization, and Engineering: Proceedings of CDVE 2020. Lecture Notes in Computer Science. Vol 12341. Berlin: Springer; 2020: 249-259.
• Haurand MD, Stummer C. Go big or go home? Simulating the effect of publishing adopter numbers for two-sided platforms. In: Verhagen H, Borit M, Bravo G, Wijermans N, eds. Advances in Social Simulation: Looking in the Mirror. Springer Proceedings in Complexity. Cham: Springer; 2020: 195-199.
• Stummer C, Günther M, Höfler AM. Grundzüge des Innovations- und Technologiemanagements. 4th ed. Wien: Facultas; 2020.
• Kaiser I, Stummer C. How the traditional industrial manufacturer Miele established a new smart home division. Research-Technology Management. 2020;63(4):29-34.
• Souka M, Böger D, Decker R, Stummer C, Wiemann A. Is more automation always better? An empirical study of customers' willingness to use autonomous vehicle functions. International Journal of Automotive Technology and Management. 2020;20(1):1-24.
• Bilstein N, Stummer C. Multidisciplinary perspectives on challenges in managing smart products and services. Schmalenbach Business Review. 2020;72(4):479-483.
• Backs S, Jahnke H, Lüpke L, Stücken M, Stummer C. Supply Chain Strategies of the Apparel Industry in Research: A Literature Review. Social Science Research Network; 2020.
• Michler O, Decker R, Stummer C. To trust or not to trust smart consumer products: A literature review of trust-building factors. Management Review Quarterly. 2020;70(3):391-420.
• Haurand MD, Stummer C. Evaluating market entry strategies for two-sided digital platforms under competition: A simulation approach. In: Proceedings of the International Conference on Information Systems (ICIS). AIS eLibrary; 2019.
• Haurand MD, Stummer C. Fighting fair? Evaluating negative campaigning with an agent-based simulation. In: Fortz B, Labbe M, eds. Operations Research Proceedings 2018. Springer; 2019: 499-504.
• Kaldewei M, Stummer C. How product intelligence and brand affect consumption value and intended usage. Evidence from a smart washing machine. In: European Marketing Academy (EMAC), ed. Proceedings of the 48th EMAC Conference. 2019.
• Backs S, Günther M, Stummer C. Stimulating academic patenting in a university ecosystem: An agent-based simulation approach. Journal of Technology Transfer. 2019;44(2):434-461.
• Stummer C, Lüpke L, Backs S, Günther M. Agentenbasierte Marktsimulation – ein Spezialwerkzeug. In: Siebe A, ed. Die Zukunft vorausdenken und gestalten. Stärkung der Strategiekompetenz im Spitzencluster it’s OWL. Lösungen aus dem Spitzencluster it's OWL. Berlin: Springer Vieweg; 2018: 125-142.
• Kaldewei M, Stummer C. Der Einfluss der Produktintelligenz auf den Konsumentennutzen und die Produktnutzung. Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung. 2018;70(4):315-349.
• Bomze I, Doerner KF, Hartl RF, et al. Emerging and innovative OR applications: A special issue in honor of Walter J. Gutjahr. Central European Journal of Operations Research. 2018;26(2):259-263.
• Stummer C, Kundisch D, Decker R. Platform launch strategies. Business & Information Systems Engineering. 2018;60(2):167-173.
• Haurand MD, Stummer C. Stakes or garlic? Studying the emergence of dominant designs through an agent-based model of a vampire economy. Central European Journal of Operations Research. 2018;26(2):373-394.
• Haurand MD, Stummer C. The early-stage development of two-sided digital platforms: A simulation approach. In: Proceedings of the European Conference on Information Systems (ECIS 2018). ECIS 2018 Proceedings Research Papers. AIS eLibrary; 2018.
• Backs S, Stummer C, Günther M. An agent-based simulation for pre-estimating the effectiveness of TTO measures. Presented at the Economic, Technological and Societal Impacts of En-trepreneurial Ecosystems, Augsburg.
• Günther M, Lüpke L, Stummer C. Cross-over between scenario analysis and agent-based market simulation for technology planning. In: Proceedings of the Portland International Conference on Management of Engineering and Technology (PICMET). Institute of Electrical and Electronics Engineers (IEEE); 2017: 1-9.
• Dawid H, Decker R, Hermann T, et al. Management science in the era of smart consumer products: Challenges and research perspectives. Central European Journal of Operations Research. 2017;25(1):203-230.
• Decker R, Stummer C. Marketing management for consumer products in the era of the Internet of Things. Advances in Internet of Things. 2017;7(3):47-70.
• Backs S, Stummer C, Günther M. Patente oder Publikationen: Eine simulationsbasierte Analyse der Wirksamkeit von Bewusstseinsbildung und Anreizen durch Wissenschaftsmanagement. Presented at the ZiF-Con-ference, Bielefeld.
• Günther M, Stummer C. Simulating the diffusion of competing multi-generation technologies: An agent-based model and its application to the consumer computer market in Germany. In: Fink A, Fügenschuh A, Geiger MJ, eds. Operations Research Proceedings 2016. Cham: Springer; 2017: 569-574.
• Stummer C, Günther M. Szenario-Analyse trifft agentenbasierte Marktsimulation: Ein hybrider Ansatz zur Entscheidungsunterstützung bei der strategischen Technologieplanung. Zeitschrift für Technikfolgenabschätzung in Theorie und Praxis. 2017;26(3):17-22.
• Meißner M, Haurand MD, Stummer C. With a little help from my customers: The influence of customer empowerment on consumers' perceptions of well-established brands. International Journal of Innovation Management. 2017;21(6): 1750048.
• Klat W, Stummer C, Decker R. From web analytics to product analytics: The internet of things as a new data source for enterprise information systems. In: Tjoa AM, Xu LD, Raffai M, Novak NM, eds. Proceedings of CONFENIS 2016: Research and Practical Issues of Enterprise Information Systems. Lecture Notes in Business Information Processing. Vol 268. Berlin: Springer; 2016: 145-155.
• Doerner KF, Salazar-Gonzalez J-J, Stummer C. OPR3-operations research peripatetic postgraduate program conference at the Johannes Kepler University in Linz, Austria. Preface. Annals of Operations Research. 2016;236(2):291-293.
• Kiesling E, Ekelhart A, Grill B, Strauss C, Stummer C. Selecting security control portfolios: A multi-objective simulation-optimization approach. EURO Journal on Decision Processes. 2016;4(1-2):85-117.
• Leitner M-L, Strauss C, Stummer C. Web accessibility implementation in private sector organizations: Motivations and business impact. Universal Access in the Information Society. 2016;15(2):249-260.
• Backs S, Günther M, Stummer C. Academic patenting meets agent-based simulation: Provisional results and research perspectives. In: Suominen A, Toivanen H, Nieminen M, eds. Innovation Policies for Economic and Social Transitions: Developing Strategies for Knowledge, Practices and Organizations;Innovation policies for economic and social transitions: Developing strategies for knowledge, practices and organizations. The Book of Abstracts for the 2015 Annual Conference of the EU-SPRI Forum. VTT Technology. Vol 221. Espoo: VTT Technical Research Centre of Finland; 2015: 248-252.
• Backs S, Stummer C. Akademische Patente und ihre Auswirkungen auf Forschung, Lehre und Administration an Universitäten. Management Review Quarterly. 2015;65(1):35-68.
• Sonderegger-Wakolbinger LM, Stummer C. An agent-based simulation of customer multi-channel choice behavior. Central European Journal of Operations Research. 2015;23(2):459-477.
• Meißner M, Haurand MD, Stummer C. Does empowering consumers backfire in the context of technology brands like Nokia? In: Proceedings of the 44th European Marketing Academy Conference (EMAC). 2015: 1-7.
• Venghaus S, Stummer C. Finding partners for complex system innovations through a trans-sectoral 'matchmaking platform'. Technology Analysis & Strategic Management. 2015;27(3):334-359.
• Stummer C, Kiesling E, Günther M, Vetschera R. Innovation diffusion of repeat purchase products in a competitive market: An agent-based simulation approach. European Journal of Operational Research. 2015;245(1):157-167.
• Ekelhart A, Kiesling E, Grill B, Strauss C, Stummer C. Integrating attacker behavior in IT security analysis: A discrete-event simulation approach. Information Technology and Management. 2015;16(3):221-233.
• Stummer C, Lüpke L, Günther M. Intelligente Produkte, Zukunftsszenarien und Agenten: Eine Marktsimulation zur Entscheidungsunterstützung bei der strategischen Technologieplanung. In: Gausemeier J, ed. Vorausschau und Technologieplanung: 11. Symposium für Vorausschau und Technologieplanung. HNI-Verlagsschriftenreihe. Vol 347. Paderborn: Heinz-Nixdorf-Institut; 2015: 449-470.
• Grill B, Ekelhart A, Kiesling E, Stummer C, Strauss C. Multi-objective evolutionary optimization of computation-intensive simulations: The case of security control selection. In: Proceedings of the 11th Metaheuristics International Conference (MIC). 2015: 1-3.
• Günther M, Stummer C, Wakolbinger LM, Wildpaner M. An agent-based simulation approach for the new product diffusion of a novel biomass fuel. In: Taylor SJE, ed. Agent-Based Modeling and Simulation. The OR Essentials series. London: Palgrave Macmillan UK; 2014: 61-67.
• Kiesling E, Ekelhart A, Grill B, Stummer C, Strauss C. Evolving secure information systems through attack simulation. In: Sprague RH, ed. Proceedings of the 47th Annual Hawaii International Conference on System Sciences. Piscataway, NJ: IEEE; 2014: 4868-4877.
• Klat W, Gerholz K-H, Stummer C. From simulation games to smart learning systems. In: Kriz WC, Eiselen T, Manahl W, eds. The Shift from Teaching to Learning: Individual, Collective and Organizational Learning Through Gaming Simulation; Proceedings of the 45th Conference of the International Simulation and Gaming Association (ISAGA). Bielefeld: Bertelsmann; 2014: 288-300.
• Ekelhart A, Grill B, Kiesling E, Strauss C, Stummer C. Komplexe Systeme, heterogene Angreifer und vielfältige Abwehrmechanismen: Simulationsbasierte Entscheidungsunterstützung im IT-Sicherheitsmanagement. In: Katzenbeisser S, Lotz V, Edgar W, Gesellschaft für Informatik, eds. Proceedings of the GI-Meeting Sicherheit 2014: Sicherheit, Schutz und Zuverlässigkeit. GI-Edition Lectures in Informatics. Vol 228. Bonn: Gesellschaft für Informatik; 2014: 345-361.
• Stummer C, Günther M. Partizipative Lehr-/Lernformate für die universitäre Aus- und Weiterbildung am Beispiel des Innovations- und Technologiemanagements. In: Keuper F, Arnold H, eds. Campus Transformation: Education, Qualification & Digitalization. Berlin: Logos; 2014: 129-147.
• Stummer C, Kiesling E. Simulating innovation adoption behavior: Lessons learned for modelers and programmers. In: Breitenecker F, Bruzzone AG, Jimenez E, Longo F, Merkuryev Y, Sokolov B, eds. 24th European Modeling and Simulation Symposium (EMSS 2012). Red Hook, NY: Curran; 2014: 90-96.
• Backs S, Stummer C. Vorgehenskonzept zur Ableitung von Parametern einer agenten-basierten Simulation aus den Szenarien ITS 2020.; Unpublished.
• Gettinger J, Kiesling E, Stummer C, Vetschera R. A comparison of representations for discrete multi-criteria decision problems. Decision Support Systems. 2013;54(2):976-985.
• Stummer C, Günther M, Backs S. A survey on academic patents at Austrian universities: Methodology and initial results.; 2013.
• Bauer C, Strauss C, Stummer C, Trieb A. Context-aware services in cooperative value chains: A key player-centred approach. Scalable Computing: Practice and Experience. 2013;14(3):139-153.
• Wakolbinger LM, Stummer C, Günther M. Market introduction and diffusion of new products: Recent developments in agent-based modeling. International Journal of Innovation and Technology Management. 2013;10(5): 1340015.
• Wakolbinger LM, Stummer C. Multi-channel management: An exploratory study of current practices. International Journal of Services, Economics and Management. 2013;5(1/2):112-124.
• Kiesling E, Ekelhart A, Grill B, Strauss C, Stummer C. Simulation-based optimization of information security controls: An adversary-centric approach. In: Pasupathy R, Kim S-H, Tolk A, Hill R, Kuhl ME, eds. Proceedings of the Winter Simulation Conference (WSC) 2013. Simulation: making decisions in a complex world . Piscataway, NJ: IEEE; 2013: 2054-2065.
• Kiesling E, Ekelhart A, Grill B, Strauss C, Stummer C. Simulation-based optimization of IT security controls: Initial experiences with metaheuristic solution procedures. In: Fink A, Geiger MJ, eds. Proceedings of the 14th EU/ME Workshop. Hamburg: Helmut-Schmidt-Universität; 2013: 18-20.
• Kopetzky R, Günther M, Kryvinska N, Mladenow A, Strauss C, Stummer C. Strategic management of disruptive technologies: A practical framework in the context of voice services and of computing towards the cloud. International Journal of Grid and Utility Computing. 2013;4(1):47-59.
• Kiesling E, Günther M, Stummer C, Wakolbinger LM. Agent-based simulation of innovation diffusion: A review. Central European Journal of Operations Research. 2012;20(2):183-230.
• Kiesling E, Strauss C, Stummer C. A multi-objective decision support framework for simulation-based security control selection. In: Proceedings of the 7th International Conference on Availability, Reliability and Security (ARES 2012). Piscataway, NJ: IEEE CPS; 2012: 454-462.
• Stummer C, Gutjahr WJ, Denk M, Riedmann H, Froeschl KA. Training on the project: A quantifying approach to competence development. Knowledge Management Research & Practice. 2012;10(1):64-78.
• Günther M, Stummer C, Wakolbinger LM, Wildpaner M. An agent-based simulation approach for the new product diffusion of a novel biomass fuel. Journal of the Operational Research Society. 2011;62(1):12-20.
• Kiesling E, Gettinger J, Stummer C, Vetschera R. An experimental comparison of two interactive visualization methods for multicriteria portfolio selection. In: Ahti S, Jeffrey K, Alec M, eds. Portfolio Decision Analysis: Improved Methods for Resource Allocation. International Series in Operations Research & Management Science. Vol 162. Boston: Springer; 2011: 187-209.
• Stummer C, Günther M. Die Balanced Scorecard im Innovationsmanagement. Business + Innovation. 2011;2(4):31-39.
• Kopetzky R, Stummer C, Kryvinska N, Günther M, Strauss C. Disruptive ICT service technologies: Recent developments and practical implications for strategic management. In: Xhafa F, Barolli L, Bessis N, Universiteti Politeknik (Tirana), eds. Proceedings of the International Workshop on Frontiers in Service Transformations and Innovations (FSTI-2011) in conjunction with the International Conference on Emerging Intelligent Data and Web Technologies (EIDWT-2011). Piscataway, NJ: IEEE CPS; 2011: 125-130.
• Günther M, Kiesling E, Stummer C. Game-based learning in technology management education: A novel business simulation. International Journal of Emerging Technologies in Learning. 2011;6(1):20-25.
• Wakolbinger LM, Stummer C. An agent-based simulation of multi-channel choice behavior across the purchasing process. In: Beckmann SC, Ringberg T, Ritter T, eds. Proceedings of the 39th European Marketing Academy Conference (EMAC). 2010: 1-7.
• Kiesling E, Günther M, Stummer C, Vetschera R, Wakolbinger LM. A spatial simulation model for the diffusion of a novel biofuel on the Austrian market. In: Bargiela A, Azam-Ali S, Crowley D, Kerckhoffs EJH, eds. Proceedings of the 24th European Conference on Modelling and Simulation (ECMS 2010). 2010: 41-49.
• Günther M, Kiesling E, Stummer C. Game-based learning in technology management education. In: Proceedings of the International Engineering Education Conference (IEEE EDUCON 2010). Hoboken, NJ: IEEE Press; 2010: 191-196.
• Neubauer T, Stummer C. Interactive selection of Web services under multiple objectives. Information Technology and Management. 2010;11(1):25-41.
• Gutjahr WJ, Katzensteiner S, Reiter P, Stummer C, Denk M. Multi-objective decision analysis for competence-oriented project portfolio selection. European Journal of Operational Research. 2010;205(3):670-679.
• Vetschera R, Gettinger J, Kiesling E, Stummer C. Visualization methods for multi-criteria portfolio selection: An empirical study. In: Supplemental Proceedings of the 15th IFIP WG 8.3 International Conference on Decision Support Systems (DSS 2010). Frontiers in artificial intelligence and applications. 2010: 1-9.
• Stummer C, Kiesling E, Gutjahr WJ. A multicriteria decision support system for competence-driven project portfolio selection. International Journal of Information Technology and Decision Making. 2009;8(02):379-401.
• Kiesling E, Günther M, Stummer C, Wakolbinger LM. An agent-based simulation model for the market diffusion of a second generation biofuel. In: Rossetti M, Hill RR, Johansson B, Dunkin A, Ingalls RG, eds. Proceedings of the Winter Simulation Conference (WSC 2009). Piscataway, NJ: IEEE; 2009: 1474-1481.
• Strauss C, Stummer C, Bauer C, Trieb A. A networked ubiquitous computing environment for damage prevention: A decision support framework for the insurance sector. In: 2009 International Conference on Parallel Processing Workshops. ICPPW ’09 ; 22 - 25 Sept. 2009, Vienna, Austria ; proceedings . Piscataway, NJ: IEEE Computer Society; 2009: 276-281.
• Neubauer T, Pichler J, Stummer C. A case study on the multicriteria selection of software components. In: IEEE Computer Society, ed. Proceedings of the IEEE Asia-Pacific Services Computing Conference (APSCC 2008). Piscataway, NJ: IEEE Computer Society; 2008: 1005-1012.
• Gutjahr WJ, Katzensteiner S, Reiter P, Stummer C, Denk M. Competence-driven project portfolio selection, scheduling and staff assignment. Central European Journal of Operations Research. 2008;16(3):281-306.
• Stummer C, Neubauer T. Interaktive Portfolioplanung im IT-Servicemanagement. HMD Praxis der Wirtschaftsinformatik. 2008;45(264):48-55.
• Doerner KF, Gutjahr WJ, Hartl RF, Strauss C, Stummer C. Nature-inspired metaheuristics for multiobjective activity crashing. Omega. 2008;36(6):1019-1037.
• Weber M, Denk M, Oberecker K, Strauss C, Stummer C. Panel surveys go mobile. International Journal of Mobile Communications. 2008;6(1):88-107.
• Fürnsinn S, Günther M, Stummer C. Adopting energy flow charts for the economic analysis of process innovations. Technovation. 2007;27(11):693-703.
• Neubauer T, Stummer C. Extending business process management to determine efficient IT investments. In: Association for Computing Machinery, ed. Proceedings of the 2007 ACM Symposium on Applied Computing. ACM Digital Library. New York, NY: ACM; 2007: 1250-1256.
• Neubauer T, Stummer C. Interactive decision support for multiobjective COTS selection. In: Proceedings of the Hawaii International Conference on System Sciences (HICSS-40). IEEE Computer Society; 2007: 1-7.
• Neubauer T, Stummer C. Interaktive Entscheidungsunterstützung für die Auswahl von Software-Komponenten bei mehrfachen Zielsetzungen. In: Oberweis A, Weinhardt C, Gimpel H, Koschmider A, Pankratius V, Schnitzler B, eds. eOrganisation: Service-, Prozess-, Market-Engineering: Proceedings der Internationalen Tagung Wirtschaftsinformatik. Karlsruhe: Universitätsverlag Karlsruhe; 2007: 255-269.
• Reiter P, Gutjahr WJ, Katzensteiner S, Stummer C. Multi-objective stochastic project portfolio selection using metaheuristics. In: Proceedings of the 7th Metaheuristics International Conference (MIC). 2007: 1-3.
• Ballestero E, Günther M, Pla-Santamaria D, Stummer C. Portfolio selection under strict uncertainty: A multi-criteria methodology and its application to the Frankfurt and Vienna Stock Exchanges. European Journal of Operational Research. 2007;181(3):1476-1487.
• Doerner KF, Gutjahr WJ, Hartl RF, Strauss C, Stummer C. Pareto ant colony optimization with ILP preprocessing in multiobjective project portfolio selection. European Journal of Operational Research. 2006;171(3):830-841.
• Neubauer T, Stummer C, Weippl E. Workshop-based multiobjective security safeguard selection. In: IEEE Computer Society, Institute of Electrical and Electronics Engineers, eds. Proceedings of the First International Conference on Availability, Reliability and Security (ARES'06). Los Alamitos, Calif. : IEEE Computer Society; 2006: 366-373.
• Stummer C, Sun M. A Tabu Search heuristic for R&D project portfolio selection. In: Proceedings of the 6th Metaheuristics International Conference (MIC). 2005: 847-852.
• Stummer C, Sun M. New multiobjective metaheuristic solution procedures for capital investment planning. Journal of Heuristics. 2005;11(3):183-199.
• Stummer C. Comment on "Approximative solution methods for multiobjective combinatorial optimization" (Ehrgott/Gandibleux). TOP. 2004;12(1):82-85.
• Pla-Santamaria D, Stummer C, Günther M, Ballestero E. Compromise-utility approach to portfolio selection: A case from an opportunity set on three European Exchanges. In: Antunes CH, Dias L, eds. Managing Uncertainty in Decision Support Models: Proceedings of the 15th Mini-EURO Conference MUDSM 2004. 2004: 1-7.
• Stummer C, Doerner KF, Focke A, Heidenberger K. Determining location and size of medical departments in a hospital network: A multiobjective decision support approach. Health Care Management Science. 2004;7(1):63-71.
• Doerner KF, Gutjahr WJ, Hartl RF, Strauss C, Stummer C. Pareto Ant Colony Optimization: A metaheuristic approach to multiobjective portfolio selection. Annals of Operations Research. 2004;131(1-4):79-99.
• Heidenberger K, Schillinger A, Stummer C. Budgeting for research and development: A dynamic financial simulation approach. Socio-Economic Planning Sciences. 2003;37(1):15-27.
• Stummer C, Vetschera R. Decentralized planning for multiobjective resource allocation and project selection. Central European Journal of Operations Research. 2003;11(3):253-279.
• Stummer C, Heidenberger K. Interactive R&D portfolio analysis with project interdependencies and time profiles of multiple objectives. IEEE Transactions on Engineering Management. 2003;50(2):175-183.
• Focke A, Stummer C. Strategic technology planning in hospital management. OR Spectrum. 2003;25(2):161-182.
• Stummer C. Zur Modellierung mehrfacher Zielsetzungen bei der F&E-Projektauswahl. In: Habenicht W, Scheubrein B, Scheubrein R, eds. Multi-Criteria und Fuzzy-Systeme in Theorie und Praxis. Lösungsansätze für Entscheidungsprobleme mit komplexen Zielsystemen. Wiesbaden: Deutscher Universitätsverlag; 2003: 287-309.
• Doerner KF, Gutjahr WJ, Hartl RF, Strauss C, Stummer C. Investitionsentscheidungen bei mehrfachen Zielsetzungen und künstliche Ameisen. In: Chamoni P, Leisten R, Martin A, Minnemann J, Stadtler H, eds. Operations Research Proceedings 2001. Berlin: Springer; 2002: 355-362.
• Strauss C, Stummer C. Multiobjective decision support in IT-risk management. International Journal of Information Technology and Decision Making. 2002;1(2):251-268.
• Stummer C, Günther M. Zum Einsatz betriebswirtschaftlicher Modelle bei der F&E-Projektauswahl. Die Betriebswirtschaft. 2002;62(3):289-304.
• Doerner KF, Gutjahr WJ, Hartl RF, Strauss C, Stummer C. Ant Colony Optimization in multiobjective portfolio selection. In: Proceedings of the 4th Metaheuristics International Conference (MIC). 2001: 243-248.
• Stummer C. Faire Gruppenentscheidungen in der Investitionsplanung. OR Spectrum. 2001;23(4):431-443.
• Stummer C, Heidenberger K. Interactive R&D portfolio selection considering multiple objectives, project interdependencies, and time: A three-phase approach. In: Kocaoglu DF, Anderson TR, eds. Technology Management in the Knowledge Era: Proceedings of the Portland International Conference on Management of Engineering and Technology (PICMET). Portland, Or.: PICMET; 2001: 423-428.
• Heidenberger K, Ristl W, Stummer C. Planung von Forschungs- und Entwicklungsinvestitionen im Unternehmensspiel. Zeitschrift für Planung. 2001;12(2):125-140.
• Stummer C. A two-phase approach to group decision making in R&D project selection. In: Proceedings of the INFORMS-KORMS International Conference. 2000: 900-905.
• Heidenberger K, Muthsam HL, Stummer C. Budgetierungsansätze für Forschung und Entwicklung im Überblick. Zeitschrift für Betriebswirtschaft. 2000;70(9):1005-1029.
• Stummer C. Ein interaktives Entscheidungsunterstützungssystem zur Portfolioauswahl bei mehrfachen Zielsetzungen. In: Wanka G, ed. Decision Theory and Optimization in Theory and Practice: Proceedings of the 9th Workshop of the GOR-Working-Group 'Decision Theory and Practice'. Berichte aus der Mathematik. Aachen: Shaker; 2000: 129-149.
• Schulz I, Stummer C. Zum Qualitätsverständnis in der angewandten Wirtschaftsforschung: Eine Befragung ausgewählter Anbieter, Auftraggeber und externer Beobachter in Österreich. Zeitschrift für Gemeinwirtschaft. 2000;38(5):33-50.
• Heidenberger K, Stummer C. Research and development project selection and resource allocation: A review of quantitative modelling approaches. International Journal of Management Reviews. 1999;1(2):197-224.
• Stummer C. Projektauswahl im betrieblichen F&E-Management. Wiesbaden: Gabler; 1998.

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