Michael E. Kummer

University of East Anglia (UEA)

Lecturer

Norwich Research Park

Norwich, Norfolk NR4 7TJ

United Kingdom

SCHOLARLY PAPERS

15

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CITATIONS
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12

Scholarly Papers (15)

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, University of East Anglia (UEA), Johannes Kepler University Linz - Department of Economics and University of Vienna - Faculty of Business, Economics, and Statistics
Downloads 209 (144,569)

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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, University of East Anglia (UEA), Johannes Kepler University Linz - Department of Economics and University of Vienna - Faculty of Business, Economics, and Statistics
Downloads 2 (666,657)
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Market Performance, Market Structure, Markup, Price Dispersion, Product Lifecycle, Retailing

2.

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
University of Zurich, University of East Anglia (UEA) and Deutsche Bundesbank
Downloads 172 (173,051)

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Mobile Applications, Developers, Learning, Data Collection, Privacy

3.

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
University of East Anglia (UEA) and Deutsche Bundesbank
Downloads 138 (207,982)
Citation 5

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

4.

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, University of East Anglia (UEA) and Johannes Kepler University Linz - Department of Economics
Downloads 95 (272,655)
Citation 1

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

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
University of East Anglia (UEA) and Deutsche Bundesbank
Downloads 76 (312,807)

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

6.

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 University of East Anglia (UEA)
Downloads 74 (317,622)

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7.

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
University of East Anglia (UEA)
Downloads 62 (349,078)
Citation 3

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

8.

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
University of East Anglia (UEA), ZEW – Leibniz Centre for European Economic Research - Information and Communication Technologies Research Group and Chinese University of Hong Kong
Downloads 55 (370,102)
Citation 1

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public goods, unemployment, online platforms, user generated content

9.

Wikipedia Matters

Number of pages: 46 Posted: 03 Oct 2017 Last Revised: 18 Aug 2019
Marit Hinnosaar, Toomas Hinnosaar, Michael E. Kummer and Olga Slivko
University of Turin - Collegio Carlo Alberto, Collegio Carlo Alberto, University of East Anglia (UEA) and ZEW – Leibniz Centre for European Economic Research - Information and Communication Technologies Research Group
Downloads 50 (386,259)
Citation 3

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

10.

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
University of East Anglia (UEA)
Downloads 40 (422,191)

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

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, University of East Anglia (UEA), Centre for European Economic Research (ZEW) and ZEW – Leibniz Centre for European Economic Research
Downloads 38 (430,302)

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

12.

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, University of East Anglia (UEA), Telecom ParisTech, ZEW – Leibniz Centre for European Economic Research - Information and Communication Technologies Research Group and ZEW – Leibniz Centre for European Economic Research
Downloads 32 (455,538)

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unemployment, crowdworking, online platform

13.

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
University of East Anglia (UEA), ZEW – Leibniz Centre for European Economic Research - Information and Communication Technologies Research Group, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 30 (464,949)
Citation 3

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Wikipedia, network position, user-generated content, hyperlinks

Externalities in Knowledge Production: Evidence from a Randomized Field Experiment

Number of pages: 40 Posted: 13 Mar 2019 Last Revised: 18 Aug 2019
Marit Hinnosaar, Toomas Hinnosaar, Michael E. Kummer and Olga Slivko
University of Turin - Collegio Carlo Alberto, Collegio Carlo Alberto, University of East Anglia (UEA) and ZEW – Leibniz Centre for European Economic Research - Information and Communication Technologies Research Group
Downloads 9 (610,522)

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knowledge accumulation, user-generated content, Wikipedia, public goods provision, field experiment

Externalities in Knowledge Production: Evidence from a Randomized Field Experiment

CEPR Discussion Paper No. DP13575
Number of pages: 41 Posted: 12 Mar 2019
Marit Hinnosaar, Toomas Hinnosaar, Michael E. Kummer and Olga Slivko
University of Turin - Collegio Carlo Alberto, Collegio Carlo Alberto, University of East Anglia (UEA) and ZEW – Leibniz Centre for European Economic Research - Information and Communication Technologies Research Group
Downloads 1 (681,101)
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knowledge accumulation, User-generated content, Wikipedia

15.

Attention in the Peer Production of User Generated Content - Evidence from 93 Pseudo-Experiments on Wikipedia

Number of pages: 46 Posted: 02 Aug 2019
Michael E. Kummer
University of East Anglia (UEA)
Downloads 3 (626,349)

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