Michael E. Kummer

Georgia Institute of Technology

Atlanta, GA 30332

United States

Centre for European Economic Research (ZEW), Mannheim

Researcher

P.O. Box 10 34 43

L 7,1

D-68034 Mannheim, 68034

Germany

http://https://sites.google.com/site/kummermannheim/

University of Mannheim - Center for Doctoral Studies in Economics and Management (CDSEM)

Mannheim, D-68131

Germany

SCHOLARLY PAPERS

14

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in Total Papers Downloads

849

CITATIONS

0

Scholarly Papers (14)

Market Structure and Market Performance in E-Commerce

ZEW - Centre for European Economic Research Discussion Paper No. 11-084
Number of pages: 36 Posted: 02 Feb 2012
Johannes Kepler University Linz - Department of Economics, Georgia Institute of Technology, Johannes Kepler University Linz - Department of Economics and University of Vienna - Faculty of Business, Economics, and Statistics
Downloads 197 (138,475)

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Retailing, Product Life Cycle, Market Structure, Market Performance, Markup, Price Dispersion

Market Structure and Market Performance in E-Commerce

CEPR Discussion Paper No. DP9001
Number of pages: 44 Posted: 28 Sep 2012
Johannes Kepler University Linz - Department of Economics, Georgia Institute of Technology, Johannes Kepler University Linz - Department of Economics and University of Vienna - Faculty of Business, Economics, and Statistics
Downloads 2 (600,910)
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Market Performance, Market Structure, Markup, Price Dispersion, Product Lifecycle, Retailing

2.

99 Cent: Price Points in E-Commerce

ZEW - Centre for European Economic Research Discussion Paper No. 10-022
Number of pages: 28 Posted: 10 May 2010
Franz Hackl, Michael E. Kummer and Rudolf Winter-Ebmer
Johannes Kepler University Linz - Department of Economics, Georgia Institute of Technology and Johannes Kepler University Linz - Department of Economics
Downloads 72 (257,486)

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Competitive Behaviour, Pricing Behaviour, E-Commerce, Pricing in the Nines, Focal Pricing

3.

Market Entry in E-Commerce

NET Institute Working Paper No. 08-23
Number of pages: 34 Posted: 28 Oct 2008
Maximilian Kasy and Michael E. Kummer
University of California, Berkeley and Georgia Institute of Technology
Downloads 67 (296,472)

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4.

Spillovers in Networks of User Generated Content – Evidence from 23 Natural Experiments on Wikipedia

ZEW - Centre for European Economic Research Discussion Paper No. 13-098
Number of pages: 66 Posted: 19 Nov 2013
Michael E. Kummer
Georgia Institute of Technology
Downloads 41 (337,803)

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Social Media, Information, Knowledge, Spillovers, Large-scale Networks, Natural Experiment

5.

Money and Privacy – Android Market Evidence

ZEW - Centre for European Economic Research Discussion Paper No. 14-131
Number of pages: 34 Posted: 19 Feb 2015
Michael E. Kummer and Patrick Schulte
Georgia Institute of Technology and Deutsche Bundesbank
Downloads 28 (308,391)

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Information Acquisition, Mobile Applications, Smartphones, Online Privacy, Permissions, Price, Privacy Regulation

6.

Spillovers in Networks of User Generated Content: Pseudo-Experimental Evidence on Wikipedia

ZEW - Centre for European Economic Research Discussion Paper No. 14-132
Number of pages: 70 Posted: 19 Feb 2015
Michael E. Kummer
Georgia Institute of Technology
Downloads 21 (401,030)

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Social Media, Information, Knowledge, Spillovers, Networks, Natural Experiment

7.

Centrality and Content Creation in Networks – The Case of German Wikipedia

ZEW - Centre for European Economic Research Discussion Paper No. 12-053
Number of pages: 31 Posted: 20 Sep 2012
Georgia Institute of Technology, Centre for European Economic Research (ZEW) - Information and Communication Technologies Research Group, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 17 (434,536)

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Wikipedia, network position, user-generated content, hyperlinks

8.

Unemployment and Online Labor

ZEW - Centre for European Economic Research Discussion Paper No. 18-023
Number of pages: 47 Posted: 15 May 2018
Institut für Informatik, University of Würzburg, Georgia Institute of Technology, Telecom ParisTech, Centre for European Economic Research (ZEW) - Information and Communication Technologies Research Group and ZEW
Downloads 0 (597,668)

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unemployment, crowdworking, online platform

9.

Mobile Applications and Access to Private Data: The Supply Side of the Android Ecosystem

ZEW - Centre for European Economic Research Discussion Paper No. 17-075
Number of pages: 49 Posted: 23 Jan 2018
Reinhold Kesler, Michael E. Kummer and Patrick Schulte
Centre for European Economic Research (ZEW), Georgia Institute of Technology and Deutsche Bundesbank
Downloads 0 (429,941)

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Mobile Applications, Developers, Learning, Data Collection, Privacy

10.

Wikipedia Matters

Number of pages: 26 Posted: 03 Oct 2017
Marit Hinnosaar, Toomas Hinnosaar, Michael E. Kummer and Olga Slivko
University of Torino - Collegio Carlo Alberto, Collegio Carlo Alberto, Georgia Institute of Technology and Centre for European Economic Research (ZEW) - Information and Communication Technologies Research Group
Downloads 0 (449,246)

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Field Experiment, User-Generated Content, Wikipedia, Tourism Industry

11.

IT Outsourcing and Firm Productivity: Eliminating Bias from Selective Missingness in the Dependent Variable

ZEW - Centre for European Economic Research Discussion Paper No. 16-092
Number of pages: 28 Posted: 11 Jan 2017
Humboldt University of Berlin, Georgia Institute of Technology, Centre for European Economic Research (ZEW) and ZEW
Downloads 0 (412,913)

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endogenous selection, IV-estimation, inverse probability weighting, missing data, productivity, outsourcing, semiparametric estimation

12.

Does Wikipedia Matter? The Effect of Wikipedia on Tourist Choices

ZEW - Centre for European Economic Research Discussion Paper No. 15-089
Number of pages: 28 Posted: 19 Apr 2016 Last Revised: 02 Oct 2017
Marit Hinnosaar, Toomas Hinnosaar, Michael E. Kummer and Olga Slivko
University of Torino - Collegio Carlo Alberto, Collegio Carlo Alberto, Georgia Institute of Technology and Centre for European Economic Research (ZEW) - Information and Communication Technologies Research Group
Downloads 0 (248,696)

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Wikipedia, randomized treatment, online content, tourist visits

13.

When Private Information Settles the Bill: Money and Privacy in Google's Market for Smartphone Applications

ZEW - Centre for European Economic Research Discussion Paper No. 16-031
Number of pages: 46 Posted: 16 Apr 2016
Michael E. Kummer and Patrick Schulte
Georgia Institute of Technology and Deutsche Bundesbank
Downloads 0 (270,756)

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Privacy; Mobile Applications; Android; Permissions; Supply and Demand of Private Information

14.

Economic Downturn and Volunteering: Do Economic Crises Affect Content Generation on Wikipedia?

ZEW - Centre for European Economic Research Discussion Paper No. 15-078
Number of pages: 38 Posted: 04 Jan 2016
Michael E. Kummer, Olga Slivko and Xiaoquan (Michael) Zhang
Georgia Institute of Technology, Centre for European Economic Research (ZEW) - Information and Communication Technologies Research Group and Chinese University of Hong Kong
Downloads 0 (389,545)

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public goods, unemployment, online platforms, user generated content