Items where Author is "Kummer, Michael"

Dang, Minh, Kummer, Michael, Mariuzzo, Franco and Zhang, Junjun (2026) CCP Response to CMA’s Assessing merger efficiencies: Review of our approach. Centre for Competition Policy, Norwich.

Hinnosaar, Marit, Hinnosaar, Toomas, Kummer, Michael and Slivko, Olga (2023) Wikipedia Matters. Journal of Economics and Management Strategy, 32 (3). pp. 657-669. ISSN 1058-6407

Hinnosaar, Marit, Hinnosaar, Toomas, Kummer, Michael and Slivko, Olga (2022) Externalities in knowledge production: Evidence from a randomized field experiment. Experimental Economics, 25 (2). pp. 706-733. ISSN 1386-4157

Kummer, Michael, Slivko, Olga and Zhang, Xiaoquan (Michael) (2020) Unemployment and digital public goods contribution. Information Systems Research, 31 (3). pp. 801-819. ISSN 1047-7047

Kesler, Reinhold, Kummer, Michael E. and Schulte, Patrick (2020) Competition and privacy in online markets:Evidence from the mobile app industry. In: 80th Annual Meeting of the Academy of Management 2020: Understanding the Inclusive Organization, AoM 2020, 2020-08-07 - 2020-08-11.

Breunig, Christoph, Kummer, Michael, Ohnemus, Joerg and Viete, Steffen (2020) Information technology outsourcing and firm productivity: eliminating bias from selective missingness in the dependent variable. The Econometrics Journal, 23 (1). pp. 88-114. ISSN 1368-4221

Kummer, Michael and 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. ISSN 0025-1909

Deutscher, Elias and Kummer, Michael (2019) Response to Competition and Markets Authority: Call for information - Digital Mergers. UNSPECIFIED.

Kummer, Michael, Slivko, Olga and Zhang, Michael (Xiaoquan) (2019) Economic downturn and volunteering: Do economic crises affect content generation on Wikipedia. Information Systems Research. ISSN 1047-7047 (In Press)

Kummer, Michael E., Saam, Marianne, Halatchliyski, Iassen and Giorgidze, George (2016) Centrality and content creation in networks:The case of economic topics on German wikipedia. Information Economics and Policy, 36. pp. 36-52. ISSN 0167-6245

Hackl, Franz, Kummer, Michael E., Winter-Ebmer, Rudolf and Zulehner, Christine (2014) Market structure and market performance in E-commerce. European Economic Review, 68. pp. 199-218. ISSN 0014-2921

Hackl, Franz, Kummer, Michael and Winter-Ebmer, Rudolf (2014) 99 Cent:Price points in e-commerce. Information Economics and Policy, 26. pp. 12-27. ISSN 0167-6245