Dr. Michael Kummer is an Associate Professor at Nova School of Business and Economics. His research applies causal quantitative methods and online experiments to study the creation of user-generated content in knowledge management systems such as Wikipedia and Stack Overflow, the structure of online markets, and firms’ strategic choices on data collection and innovation in mobile app markets. His work has been published in leading journals including Management Science, Information Systems Research, MIS Quarterly, 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 

• Smolinski, Rachel, Koelmel, Jeremy P., Stelben, Paul, Weil, David, Godri, David, Schiessel, David, Kummer, Michael, Stow, Sarah M., Mohsin, Sheher, Royer, Lauren, McKenzie-Coe, Alan, Lubinsky, Thomas, DeBord, Daniel, Chevallier, Olivier, Rennie, Emma E., Godri Pollitt, Krystal J., McDonough, Carrie (2025). FluoroMatch IM: An interactive software for PFAS analysis by ion mobility spectrometry. Environmental Science and Technology, 59 (13), 6353-6926.
• Koelmel, Jeremy P., Stelben, Paul, Oranzi, Nicholas, Kummer, Michael, Godri, David, Qi, Jiarong, Rennie, Emma E., Lin, Elizabeth, Weil, David, Godri Pollitt, Krystal J. (2024). PolyMatch: Novel libraries, algorithms, and visualizations for discovering polymers and chemical series. Journal Of The American Society For Mass Spectrometry, 35 (3), 413-420.
• Hinnosaar, Marit, Hinnosaar, Toomas, Kummer, Michael, Slivko, Olga (2023). Wikipedia matters. Journal of Economics and Management Strategy, 32 (3), 657-669.
• Koelmel, Jeremy P., Kummer, Michael, Chevallier, Olivier, Hindle, Ralph, Hunt, Kathy, Camacho, Camden G., Abril, Nandarani, Gill, Emily L., Beecher, Christopher W.W., Garrett, Timothy J., Yost, Richard A., Townsend, Timothy G., Klein, Christian, Rennie, Emma E., Bowden, John A., Godri Pollitt, Krystal J. (2023). Expanding Per- and Polyfluoroalkyl substances coverage in nontargeted analysis using data-independent analysis and IonDecon. Journal Of The American Society For Mass Spectrometry, 34 (11), 2525-2537.
• 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.