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Digital Platform Ecosystems (DPE)
Digital Platform Ecosystems (DPE)

Publications & Proceedings

  • Ben Messaoud, S., Krämer, J., & Sachs, N. (2024). The odd one out: An experimental investigation of avatar-mediated communication on homophily and trust. Proceedings of the 45th International Conference on Information Systems.
  • Bhargava, H. K., Krämer, J., & Wipusanawan, C. (2024). Competition and innovation by search engines in the presence of preset defaults. Proceedings of the 45th International Conference on Information Systems.
  • Fritz, M., Grimm, M., Weber, I., Yom-Tov, E., & Praditya, B. (2024). Can social media encourage diabetes self-screenings? A randomized controlled trial with Indonesian Facebook users. Nature Digital Medicine, 7, 245.
  • Krämer, J., & Sachs, N. (2024). Trusting in the metaverse: On the effects of immersion and avatar-mediation on trust in virtual work environments. Proceedings of the 45th International Conference on Information Systems.
  • Krämer, J., & Shekhar, S. (2024). Regulating digital platform ecosystems through data sharing and data siloing: Consequences for innovation and welfare. Management Information Systems Quarterly (MISQ), im Druck.
  • Masselus, L., Petrik, C., & Ankel-Peters, J. (2024). Lost in the design space? Construct validity in the microfinance literature. Ruhr Economic Papers, 1097.
  • Martin, K. D., & Zimmermann, J. (2024). Artificial intelligence and its implications for data privacy. Current Opinion in Psychology, 101829.
  • Shylina, A., König, A., & Graf-Vlachy, L. (2024). Digital platforms, ecosystems, and strategic leadership. In Z. Simsek, C. Heavey, & B. Fox (Hrsg.), Handbook of Research on Strategic Leadership in the Fourth Industrial Revolution (S. xx-xx). Cheltenham, Vereinigtes Königreich: Edward Elgar Publishing.
  • Figge, P., Reischauer, G., Ozcan, P., Bausch, M., Bruck, C., Corporaal, G. F., Haeussler, C., Hoffmann, W. H., König, A. S., Kretschmer, T., Narayan, D., Nowak, R., & Shylina, A. (2024). The relational and informal side of platform strategy. Academy of Management Proceedings, 2024(1).
  • Shylina, A., Maier, M., Ayache, U., Cho, T., Gamache, D., Graf-Vlachy, L., Healey, M. P., Mannor, M. J., Tripsas, M., Volberda, H. W., & Vuori, T. O. (2024). Exploring top-executive cognition in business ecosystems. Academy of Management Proceedings, 2024(1).
  • Wang, M. (2024). Subsidizing public charging infrastructure and the adoption of electric vehicles: Evidence from Germany. mimeo.
  • Zimmermann, J., Martin, K. D., Schumann, J. H., & Widjaja, T. (2024). Consumers’ multistage data control in technology-mediated environments. International Journal of Research in Marketing, 41(1), 56-76.

  • Heavey, C., Simsek, Z., Fox, B. C., Crossland, C., Campbell, J. T., Goranova, M., Ren, Y., Sagarra, M., Singh, S., Clark, C. E., König, A. S., Wiesmueller, A., Graf-Vlachy, L., Menz, M., Kunisch, S., Langan, R., Mooney Murphy, A., Ozgen, S., Heyden, M. L. M., Kwee, Z., Volberda, H. W., Wilkie, S., Tripsas, M., & Semadeni, M. (2023). Strategic leadership in the Fourth Industrial Revolution: Prospects, promises, and pitfalls. Academy of Management Proceedings, 2023(1), Article 10504. https://doi.org/10.5465/AMPROC.2023.10504symposium
  • Reischauer, G., Figge, P., Lanzolla, G., Khanagha, S., Ansari, S., Jovanovic, M., Visnjic, I., Sjödin, D., Parida, V., Bruck, C., Engelmann, A., Hoffmann, W. H., Haeussler, C., Maier, M., Nowak, R., & Wiesmueller, A. (2023). Competition and governance strategies of B2B platforms. Academy of Management Proceedings, 2023(1), Article 10190. https://doi.org/10.5465/AMPROC.2023.10190symposium
  • Dodlova, M., Kis-Katos, K., Kochanova, A., & Wirth, O. (2023). Mobile technologies and firm formalization: Evidence from Uganda (No. WP-2023-99). World Institute for Development Economic Research (UNU-WIDER).
  • Kiefer, J., Castell, C., Schubach, S., Schumann, J., Graf-Vlachy, L., & König, A. (2023). Integrating digital platform dynamics into future customer orientation research: A systematic review and research agenda. Journal of Business Research, forthcoming.
  • Shylina, A., König, A., & Graf-Vlachy, L. (forthcoming). Digital platforms, ecosystems, and strategic leadership. In Z. Simsek, C. Heavey, & B. Fox (Eds.), Handbook of research on strategic leadership in the Fourth Industrial Revolution. Cheltenham, United Kingdom: Edward Elgar Publishing.
  • Witte, A., & Krämer, J. (2023). The open display advertising ecosystem: Competition concerns and policy interventions. CPI Antitrust Chronicle, June 2023.

  • Adam, M. T. P., & Krämer, J. (2022). Evaluating the emotional bidding framework: New evidence from a decade of neurophysiology. Electronic Markets, 32(3).
  • Bourreau, M., Krämer, J., & Buiten, M. (2022). Interoperability in digital markets. Centre on Regulation in Europe (CERRE) Policy Report, 03/2022.
  • Busch, C., Fourberg, N., Krämer, J., Kroon, P., Steffen, N., Tas, S., Thoste, P., & Wiewiorra, L. (2022). Interoperability regulations for digital services. WIK-Consult Report, 0892022.
  • Freundl, V., Grewenig, E., Kugler, F., Lergetporer, P., Schüler, R., Wedel, K., Werner, K., Wirth, O., & Woessmann, L. (2022). The ifo Education Survey 2014–2021: A new dataset on public preferences for education policy in Germany. Jahrbücher für Nationalökonomie und Statistik.
  • Lehmann, J., Weber, F., Waldkirch, M., Graf-Vlachy, L., & König, A. (2022). Institutional work battles in the sharing economy: Unveiling actors and discursive strategies in media discourse. Technological Forecasting and Social Change, 184, 122002.
  • Krämer, J. (2022). Improving the economic effectiveness of the B2B and B2C data sharing obligations in the proposed Data Act. Centre on Regulation in Europe (CERRE) Report, 11/2022.
  • Krämer, J. (Ed.). (2022). Prospects for harmonization of global data governance. In P. Lamy, B. Liebhaberg, & others (Eds.), Global Governance for the Digital Ecosystems. Preserving Convergence and Organising Co-Existence. Brussels: Centre on Regulation in Europe (CERRE).
  • Krämer, J., & Schnurr, D. (2022). Big data and digital markets contestability: Theory of harm and data access remedies. Journal of Competition Law & Economics, 18(2), 255–322.
  • Sachs, N., & Schnurr, D. (2022). Privacy risks in digital markets: The impact of ambiguity attitudes on transparency choices. Proceedings of the 43rd International Conference on Information Systems (ICIS 2022), Copenhagen, Denmark. [Best Paper in Track Award].

  • Briglauer, W., Dürr, N., & Gugler, K. (2021). A retrospective study on the regional benefits and spillover effects of high-speed broadband networks: Evidence from German counties. International Journal of Industrial Organization, 74.
  • Briglauer, W., Madlener, R., & Sheykhha, S. (2021). The electricity- and CO2-saving potentials offered by regulation of European video-streaming services. Energy Policy, 161, 112716.
  • de Streel, A., Feasey, R., Krämer, J., & Monti, G. (2021). Making the Digital Markets Act more resilient and effective. Centre on Regulation in Europe (CERRE) Policy Report, 05/2021.
  • de Streel, A., Liebhaberg, B., Fletcher, A., Feasey, R., Krämer, J., & Monti, G. (2021). The European proposal for a Digital Markets Act: A first assessment. Centre on Regulation in Europe (CERRE) Policy Report, 01/2021.
  • Feasey, R., & Krämer, J. (2021). Device neutrality: Openness, non-discrimination, and transparency on mobile devices for general internet access. Centre on Regulation in Europe (CERRE) Policy Report, 06/2021.
  • Häussler, C., & Assmus, A. (2021). Bridging the gap between invention and innovation: Increasing success rates in publicly and industry-funded clinical trials. Research Policy, 50, 104155.
  • Hermes, H., Lergetporer, P., Peter, F., Wiederhold, S., Freundl, V., & Wirth, O. (2021). Bewerbungsunterstützung erhöht die Kita-Inanspruchnahme von Kindern aus bildungsferneren Familien. ifo Schnelldienst, 74(09), 41–45.
  • Krämer, J., Shekhar, S., & Hofmann, J. (2021). Regulating algorithmic learning in digital platform ecosystems through data sharing and data siloing: Consequences for innovation and welfare. Proceedings of the Forty-Second International Conference on Information Systems, Austin, 2021.

  • Adam, S., Reber, U., Häussler, T. and Schmid-Petri, H. 2020. How climate change skeptics (try to) spread their ideas: Using computational methods to assess the resonance among skeptics’ and legacy media. PLOS ONE 15, e0240089. Available online at https://doi.org/10.1371/journal.pone.0240089
  • Bauernschuster, S., Driva, A. and Hornung, E. 2020. Bismarck’s health insurance and the mortality decline. Journal of the European Economic Association 18, 2561–2607. 
  • Bidler, M., Zimmermann, J., Schumann, J. H. and Widjaja, T. 2020. Increasing consumers’ willingness to engage in data disclosure processes through relevance-illustrating game elements. Journal of Retailing 96, 507–523.
  • Briglauer, W., Dürr, N., and Gugler, K. 2021. A retrospective study on the regional benefits and spillover effects of high-speed broadband networks: Evidence from German counties, International Journal of Industrial Organization 74.
  • Graf-Vlachy, L., Oliver, A., Banfield, R., König, A. and Bundy, J. 2020. Media coverage of firms: Background, integration, and directions for future research. Journal of Management 46, 36–69.
  • Grimm, M., Lenz, L., Peters, J. and Sievert, M. 2020. Demand for off-grid solar electricity – Experimental evidence from Rwanda. Journal of the Association of Environmental and Resource Economists 7, 417–454.
  • Haberer, B., Krämer, J., and Schnurr, D. 2020. Standing on the Shoulders of Web Giants: The Economic Effects of Personal Data Brokers. Availiable online at https://papers.ssrn.com/abstract=3141946
  • Häussler, C. and Sauermann, H. 2020. Division of labor in collaborative knowledge production: The role of team size and interdisciplinarity. Research Policy 49, 103987, available online at https://doi.org/10.1016/j.respol.2020.103987
  • Heß, N., Kelley, C. N., Scott, M. L., Mende, M. and Schumann, J. H. 2020. Getting personal in public!? How consumers respond to public personalized advertising in retail stores. Journal of Retailing 96, 344–361.
  • König, A., Graf-Vlachy, L., and Schöberl, M. 2020. Opportunity/threat perception and inertia in response to discontinuous change: Replicating and extending Gilbert (2005). Journal of Management 47, 771–816.
  • König, A., Graf-Vlachy, L., Bundy, J. and Little, L. 2020. A blessing and a curse: How CEOs’ trait empathy affects their management of organizational crises. Academy of Management Review 45, 130–153.
  • Kurzhals, C., Graf‐Vlachy, L., and König, A. 2020. Strategic leadership and technological innovation: A comprehensive review and research agenda. Corporate Governance: An International Review, available online at https://doi.org/10.1111/corg.12351.
  • Krämer,J. 2020. Personal Data Portability in the Platform Economy: Economic Implications and Policy Recommendations. Journal of Competition Law & Economics, 17(2), 263-308.
  • Krämer, J. (ed.). 2020. Digital Markets and Online Platforms: New Perspectives on Regulation and Competition Policy.  Brussels: Centre on Regulation in Europe. 104 p.
  • Krämer, J.,  Schnurr, D. and Broughton Micova, S. 2020.The role of data for digital markets contestability: case studies and data access remedies. Centre on Regulation in Europe (CERRE) Policy Report, 09/2020.
  • Krämer, J., and Zierke, O. 2020. Paying for prominence: The effect of sponsored rankings on the incentives to invest in the quality of free content on dominant online platforms. Availiable online at https://papers.ssrn.com/abstract=3584371
  • Krämer, J., Senellart, P., and de Streel, A. 2020. Making data portability more effective for the digital economy. Centre on Regulation in Europe (CERRE) Policy Report, 06/2020.
  • Widjaja, T. and Gregory, R. 2020. Monitoring the complexity of IT architectures: Design principles and an IT artifact. Journal of the Association for Information Systems 21, 4. https://aisel.aisnet.org/jais/vol21/iss3/4.

  • Adam, S., Häussler, T., Schmid-Petri, H. und Reber, U. 2019. Coalitions and counter-coalitions in online contestation: An analysis of the German and British climate change debate. New Media & Society 21, 2671–2690.
  • Bidler, M., Steudner, T., Schumann, J. H., Widjaja, T. 2019. Kundenwahrnehmungen und Kundenverhalten beim Bezahlen von digitalen Dienstleistungen mit persönlichen Daten. In Specht-Riemenschneider, L., Werry, N. und Werry, S. (Hrsg.). Datenrecht in der Digitalisierung, Berlin: Erich Schmidt Verlag, 285–304.
  • Bocoum, F., Grimm, M., Hartwig, R. und Zongo, N. 2019. Can information increase the understanding and uptake of insurance? Lessons from a randomized experiment in rural Burkina Faso. Social Science & Medicine 220, 102–111.
  • Eggert, C. G., Winkler, C., und Schumann, J. H. 2019. Datenfreigabe als Grundlage für erfolgreiche Smart Services im Business-to-Business-Kontext: Herausforderungen und erste Lösungsansätze. In R. Obermaier (Hrsg). Handbuch Industrie 4.0 und Digitale Transformation. Wiesbaden: Springer Gabler, 479–501.
  • Häussler, C., Hennicke, M. und Mueller, E. 2019. Founder-inventors and their investors: Spurring firm survival and growth. Strategic Entrepreneurship Journal 13, 288–325.
  • Horstmann, N., Krämer, J., and Schnurr, D. 2019. Number Effects and Tacit Collusion in Experimental Oligopolies, The Journal of Industrial Economics, 66(3), 650-700.
  • Krämer, J. 2019. Device Neutrality: The Missing Link for Fair and Transparent Online Competition?. Centre on Regulation in Europe (CERRE) Policy Report, 03/2019.
  • Krämer, J. und Stüdlein, N. 2019. Data portability, data disclosure and data-induced switching costs: Some unintended consequences of the General Data Protection Regulation. Economics Letters 181, 99–103.
  • Krämer, J., Schnurr, D. and Wohlfarth, M. 2019. Trapped in the Data-Sharing Dilemma. MIT Sloan Management Review 60(2), 22-23.
  • Krämer, J., Schnurr, D., and Wohlfarth, M. 2019. Winners, Losers, and Facebook: The Role of Social Logins in the Online Advertising Ecosystem. Management Science, 65(4), 1678-1699.
  • Krämer, J., Whalley, J. und Batura, O. 2019. Editorial: The data economy and data-driven ecosystems: Regulation, frameworks and case studies. Telecommunications Policy 43, 113–115.
  • Read, S., Michel, S., Schumann, J. H. und Ranjan, K. R. 2019. Pricing co-created value: An integrative framework and research agenda. AMS Review 9, 155–183.
  • Schmid-Petri, H. und Adam, S. 2019. Innovative Methoden der Inhaltsanalyse - Automatisierte Verfahren im Fokus. In T. Faas, O. W. Gabriel und J. Maier (Hrsg.), Politikwissenschaftliche Einstellungs- und Verhaltensforschung - Handbuch für Wissenschaft und Studium. Baden-Baden: Nomos Verlag, 669–680.
  • Wimbauer, L., Figge, P. und Häussler, C. 2019. Distant search, but local implementation? Using the crowd’s evaluation to overcome organizational limitations in the selection of crowdsourced ideas. In Proceedings of the 40th International Conference on Information Systems (ICIS 2019), Munich, Germany. https://aisel.aisnet.org/icis2019/crowds_social/crowds_social/1/.

  • Bensch, G., Grimm, M., Huppertz, M., Langbein, J. and Peters, J. 2018. Are promotion programs needed to establish off-grid solar energy markets? Evidence from rural Burkina Faso. Renewable and Sustainable Energy Reviews 90, 1060–1068.
  • Dinter, B. and Krämer, J. 2018. Editorial: Data-driven innovations in electronic markets. Electronic Markets 28, 403–405.
  • Easley, R., Guo, H. and Krämer, J. 2018. From network neutrality to data neutrality: A techno-economic framework and research agenda. Information Systems Research 29, 253–272.
  • Feige, C., Ehrhart, K.-M. and Krämer, J. 2018. Climate Negotiations in the Lab: A Threshold Public Goods Game with Heterogeneous Contributions Costs and Non-binding Voting. Environmental and Resource Economics, 70(2), 343-362.
  • Gehrke, E. and Grimm, M. 2018. Do cows have negative returns? The evidence revisited. Economic Development and Cultural Change 66, 673–707.
  • Hanisch M., Häussler C., Apel S. and Berreiter S. 2018. Developers’ progression from periphery to core in the Linux Kernel development project. In Academy of Management Best Paper Proceedings (Vol. 2018, No. 1, p. 14263). Briarcliff Manor, NY 10510: Academy of Management.
  • Kammerlander, N., König, A. and Richards, M. 2018. Why do incumbents respond heterogeneously to disruptive innovations? The interplay of domain identity and role identity. Journal of Management Studies 55, 1122–1165.
  • König, A., Mammen, J., Luger, J., Fehn, A. and Enders, A. 2018. Silver bullet or ricochet: CEOs’ use of metaphorical communication and infomediaries’ evaluations. Academy of Management Journal 61, 1196–1230.
  • Krämer, J. 2018. Ausbau der digitalen Infrastruktur bis 2025: Welche Wege führen in die ›Gigabit-Gesellschaft‹?. In Homann, Jochen, Torsten J. Gerpott, Wolfgang Briglauer, Ingo Vogelsang, Jan Krämer, Iris Henseler-Unger & Lukas Wiewiorra, ifo Schnelldienst 71 (07), 03–21.
  • Krämer, J. 2018. Datenschutz 2.0 – ökonomische Auswirkungen von Datenportabilität im Zeitalter des Datenkapitalismus. In: Tobias Kretschmer, Lukas Wiewiorra, Jan Krämer, Andreas Oehler, Matthias Horn, Justus Haucap, Stefan Klein, Joschka Hüllmann: Zeitgespräch: Datenkapitalismus – eine ökonomische Betrachtung. Wirtschaftsdienst 98(7), 459-480.
  • Krämer, J., and Schnurr, D. 2018. Margin Sqeeze Regulation and Infrastructure Competition. Information Economics and Policy, 45, 30-46.
  • Krämer, J., and Schnurr, D. 2018. Is there a need for platform regulation in the EU? Telecommunications Policy, 42(7), 514-529.
  • Krämer, J. and Peitz, M. 2018. A fresh look at zero-rating. Telecommunications Policy 42, 501–513.
  • Krämer, J. and Wohlfarth, M. 2018. Market power, regulatory convergence, and the role of data in digital markets. Telecommunications Policy 42, 154–171.
  • Thursby, J.G., Häussler, C., Jiang, L. and Thursby, M.C. 2018. Prepublication disclosure of scientific results: Norms, competition, and commercial orientation. Science Advances 16, eaar2133. https://doi.org/10.1126/sciadv.aar2133

  • Bauernschuster, S., Hener, T. and Rainer, H. 2017. When labor disputes bring cities to a standstill: The impact of public transit strikes on traffic, accidents, air pollution and health. American Economic Journal: Economic Policy 9, 1–37.
  • Becker, M., Matt, C., Widjaja, T. and Hess, T. 2017. Understanding privacy risk perceptions of consumer health wearables – An empirical taxonomy. In Proceedings of the 38th International Conference on Information Systems (ICIS 2017), Seoul, South Korea. https://aisel.aisnet.org/icis2017/IT-and-Healthcare/Presentations/12/.
  • Häussler, T., Adam, S., Schmid-Petri, H. and Reber, U. 2017. How political conflict shapes online spaces: A comparison of climate change hyperlink networks in the United States and Germany. International Journal of Communication 11, 3096–3117.
  • Krämer, J. and Vogelsang, I. 2017. Co-investments and tacit collusion in regulated network industries: Experimental evidence. Review of Network Economics 15, 35–61.
  • Sauermann, H. and Häussler, C. 2017. Authorship and contribution disclosures. Science Advances, 3, e1700404. https://advances.sciencemag.org/content/3/11/e1700404.abstract
  • Schmid-Petri, H. 2017. Do conservative media provide a forum for skeptical voices? The link between ideology and the coverage of climate change in British, German, and Swiss newspapers. Environmental Communication 11, 554–567.
  • Schmid-Petri, H. 2017. Politicization of science: How climate change skeptics use experts and scientific evidence in their online communication. Climatic Change 145, 523–537.

  • Astor, P., Adam, M. T. P. and Krämer, J. 2016. Affective Images, Emotion Regulation and Auction Behavior: A Psychophysiological Experiment on the Role of Unconscious Emotional Processes in Internet Auctions, Journal of Interactive Marketing 35, 56-59.
  • Adam, S., Häussler, T., Schmid-Petri, H. and Reber, U. 2016. Identifying and analyzing hyperlink issue networks. In G. Vowe und P. Henn (Hrsg.). Political Communication in the Online World: Theoretical Approaches and Research Designs. London: Routledge, 233–247.
  • Anderl, E. M., März, A. and Schumann, J. H. 2016. Nonmonetary customer value contributions in free e-services. Journal of Strategic Marketing 24, 175–189.
  • Bauernschuster, S., Hener, T. and Rainer, H. 2016. Children of a (policy) revolution: The introduction of universal child care and its effect on fertility. Journal of the European Economic Association 14, 975–1005.
  • Dalen, A. and Krämer, J. 2016. Towards a user-centered feedback design for smart meter interfaces to support efficient energy-use choices: A design science approach. Business & Information Systems Engineering / Wirtschaftsinformatik, 59(5), 361-373.
  • Grimm, M., Munyehirwe, A., Peters, J. and Sievert, M. 2016. A first step up the energy ladder? Households’ benefits from low cost solar kits in rural Rwanda. World Bank Economic Review 31, 631–649.
  • Müller, M., Adam, M. T. P., Cornforth, D., Chiong, R., Krämer, J. and Weinhardt, C. 2016. Selecting Phyiological Features for Predicting Bidding Behavior in Electronic Auctions. Proceedings of the 49th Hawaii International Conference on System Sciences (HICSS 2016).
  • Horstmann, N., Krämer, J. and Schnurr, D. 2016. Wholesale Competition, Open Access Regulation and Tacit Collusion: Experimental Evidence http://ssrn.com/abstract=2630660

  • Adam, M. T. P., Krämer, J. and Müller, M. 2015. Auction Fever! How time pressure and social competition affect bidders’ arousal and bids in retail auctions. Journal of Retailing, 91, 468-485
  • Bauernschuster, S. and Schlotter, M. 2015. Public child care and mothers’ labor supply - Evidence from two quasi-experiments. Journal of Public Economics 123, 1–16.
  • Bensch, G., Grimm, M. and Peters, J. 2015. Why do households forego high returns from technology adoption? Evidence from improved cooking stoves in Burkina Faso. Journal of Economic Behavior & Organization 116, 187–205.
  • Gerlach, J., Widjaja, T. and Buxmann, P. 2015. Handle with care: How online social network providers’ privacy policies impact users’ information sharing behavior. Journal of Strategic Information Systems 24, 33–43.
  • Grimm, M. and Klasen, S. 2015. Migration pressure, tenure security, and agricultural intensification: Evidence from Indonesia. Land Economics 91, 411–434.
  • Grimm, M., Sparrow, R. and Tasciotti, L. 2015. Does electrification spur the fertility transition? Evidence from Indonesia. Demography 52, 1773–1796.
  • Horstmann, N., Krämer, J. and Schnurr, D. 2015. Oligopoly Competition in Continuous Time, http://ssrn.com/abstract=2630664
  • Kourandi, F., Krämer, J. and Valletti, T. 2015. Net neutrality, exclusivity contracts and internet fragmentation. Information Systems Research 26, 320–338.
  • Krämer, J and Wiewiorra, L. 2015. When 'just' is just not enough: Why consumers do not appreciate non-neutral Internet access services. Business and Information Systems Engineering 57(5), 325-338.
  • Krasnova, H., Widjaja, T., Buxmann, P., Wenninger, H. and Benbasat, I. 2015. Research note – Why following friends can hurt you: An exploratory investigation of the effects of envy on social networking sites among college-age users. Information Systems Research 26, 585–605.

  • Bauernschuster, S., Falck, O. and Wößmann, L. 2014. Surfing alone? The internet and social capital: Quasi-experimental evidence from an unforeseeable technological mistake. Journal of Public Economics 117, 73–89.
  • Häussler, C., Jiang, l., Thursby, M. and Thursby, J. 2014. Specific and general information sharing among competing academic researchers. Research Policy 43, 465–475.
  • Horstmann, N. and Krämer, J. 2014. Tacit collusion under multimarket contact with identical firms and markets. Mimeo. http://ssrn.com/abstract=2469452
  • Köhler, P., Krämer, J. and Krüger, L. 2014. Optimal Choice and Consumption of Cost Cap Tariffs: Theory and Empirical Evidence. Business Research 7(1), 161–190.
  • Krämer, J. and Schnurr, D. 2014. A Unified Framework for Open Access Regulation of Telecommunications Infrastructure: Review of the Economic Literature and Policy Guidelines. Telecommunications Policy 38(11), 1160-1179.
  • Krämer, J. and Wiewiorra, L. 2014. Data Caps and Two-Sided Pricing: Evaluating Managed Service Business Models. Proceedings of the 22nd European Conference on Information Systems (ECIS 2014).
  • Schumann, J. H., Nijssen, E., and Lentz, P. 2014. Modeling variation in global consumers’ participation behaviour intentions using an institutional market index. International Marketing Review 31, 390–412.
  • Schumann, J. H., v. Wangenheim, F. and Groene, N. 2014. Targeted online advertising: Using reciprocity appeals to increase acceptance among users of free web services. Journal of Marketing 78, 59–75.

  • Dalen, A., Krämer, J. and Weinhardt, C. 2013. Determining the Optimal Level of Information Granularity for Efficient Energy Consumption Decisions: Experimental Evidence. Proceedings of the 21st European Conference on Information Systems (ECIS 2013).
  • Elsner, H. and Krämer, J. 2013. Managing Corporate Portal Usage with Recommender Systems. Business and Information Systems Engineering5(4), 213-225
  • Elsner, H. and Krämer, J. 2013. Nutzungsmanagement von Unternehmensportalen mithilfe von Empfehlungssystemen. Wirtschaftsinformatik 55(4), 205-219
  • Gerstner, W.-C., König, A., Enders, A. and Hambrick, D.C. 2013. CEO narcissism, audience engagement, and organizational adoption of technological discontinuities. Administrative Science Quarterly 58, 257–291.
  • Grimm, M., Hartwig, R. and Lay, J. 2013. Electricity access and the performance of micro and small enterprises: Evidence from West Africa. The European Journal of Development Research 25, 815–829.
  • Horstmann, N. and Krämer, J. 2013. Price Discrimination or Uniform Pricing: Which Colludes More? Economics Letters 120(3), 397-383.
  • König, A., Kammerlander, N. and Enders, A. 2013. The family innovator’s dilemma: How family influence affects the adoption of discontinuous technologies by incumbent firms. Academy of Management Review 38, 418–441.
  • Krämer, J., Wiewiorra, L. and Weinhardt, C. 2013. Net neutrality: A progress report. Telecommunications Policy 37, 794–813.

  • Adam, M.T.P., Krämer, J. and Weinhardt, C. 2012. Excitement up! Price Down! Measuring Emotions in Dutch Auctions. International Journal of Electronic Commerce 17(2), 7-39.
  • Astor, P. J., Adam, M. T. P. and Krämer, J. 2012. Influence of emotional pictures on bidding behavior. In: Smidts, A., Sanfey, A., Reimann, M., & Schilke, O. (eds.), Proceedings of the 2012 NeuroPsychoEconomics Conference.
  • Burkard, C., Widjaja, T. und Buxmann, P. 2012. Software Ecosystems. Business & Information Systems Engineering 4, 41–44.
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