Dr. Michael Kummer is a visiting Associate Prof. at Nova. He has been an Assistant Professor at the Georgia Institute of Technology (Atlanta, USA) and at the University of East Anglia (UEA, Economics) in the UK. His research interests focus on the generation of user-generated content in networks, the structure of online markets as well as the interaction of firms and consumers on price comparison websites. He has published in scientific journals such as Management Science, Information Systems Research, MISQ, The Econometric Journal, and the European Economic Review. 

2014 - PhD in Economics, University of Mannheim

2007 - Master in Economics, Toulouse School of Economics

2004 - Degree in Economics, University of Vienna

Econmics of Digitization, Knowledge Generation, Platforms 

• Hinnosaar, Marit, Hinnosaar, Toomas, Kummer, Michael, Slivko, Olga (2023). Wikipedia matters. Journal of Economics and Management Strategy, 32 (3), 657-669.
• Laitenberger, Ulrich, Viete, Steffen, Slivko, Olga, Kummer, Michael, Borchert, Kathrin, Hirth, Matthias (2023). Unemployment and online labor: Evidence from microtasking. MIS Quarterly: Management Information Systems, 47 (2), 771-802.
• Hinnosaar, Marit, Hinnosaar, Toomas, Kummer, Michael E., Slivko, Olga (2022). Externalities in knowledge production: evidence from a randomized field experiment. Experimental Economics, 25 (2), 706-733.
• Breunig, Christoph, Kummer, Michael, Ohnemus, Joerg, Viete, Steffen (2020). Information technology outsourcing and firm productivity: Eliminating bias from selective missingness in the dependent variable. Journal of Crustacean Biology, 40 (1), 88-114.
• Kummer, Michael, Slivko, Olga, Zhang, Xiaoquan (2020). Unemployment and digital public goods contribution. Information Systems Research, 31 (3), 801-819.
• Kummer, Michael, Schulte, Patrick (2019). When private information settles the bill: Money and privacy in Google's market for smartphone applications. Management Science, 65 (8), 3470-3494.
• Kummer, Michael E., Saam, Marianne, Halatchliyski, Iassen, Giorgidze, George (2016). Centrality and content creation in networks: The case of economic topics on German wikipedia. Information Economics and Policy, 36, 36-52.
• Hackl, Franz, Kummer, Michael E., Winter-Ebmer, Rudolf (2014). 99 Cent: Price points in e-commerce. Information Economics and Policy, 26 (1), 12-27.
• Hackl, Franz, Kummer, Michael E., Winter-Ebmer, Rudolf, Zulehner, Christine (2014). Market structure and market performance in E-commerce. European Economic Review, 68, 199-218.