Univ.-Prof. Dr. Maarten Janssen
Maarten Janssen

Janssen, M., Jungbauer, T., Preuss, M., & Williams, C. (2023). Search Platforms: Big Data and Sponsored Positions. CEPR Press (Centre for Economic Policy Research) . CEPR Discussion Paper Series No. 18639



Janssen, M., & Roy, S. (2023). Information Uncertainty. CEPR Press (Centre for Economic Policy Research) . Discussion Paper / Centre for Economic Policy Research No. 18391


Janssen, M., & Williams, C. (Accepted/In press). Influencing Search. RAND Journal of Economics.






Janssen, M. (2020). Naar een moderner fusietoezicht. In M. Haan, & M. P. Schinkel (Eds.), Preadviezen 2020: Mededingingsbeleid. Koninklijke Vereniging voor de Staathuishoudkunde (pp. 85-91) https://kvsweb.nl/kvs-preadviezen-2020-2/



Janssen, M., & Atayev, A. (2019). Information acquisition and diffusion in markets. CEPR Discussion Paper Series No. 14036


Gugler, K., Heim, S., Janssen, M., & Liebensteiner, M. (2018). Market liberalization: Price dispersion, price discrimination and consumer search in the German electricity markets. CEPR Discussion Paper Series No. 13197

Reshidi, E., & Janssen, M. (2018). Retail Discrimination in Search Markets. Discussion paper / Centre for Economic Policy Research No. DP12945 https://cepr.org/active/publications/discussion_papers/dp.php?dpno=12945#


Search Platforms: Big Data and Sponsored Positions

Maarten Janssen (Speaker)

1 Dec 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Information Uncertainty and Trading Inefficiency

Maarten Janssen (Speaker) & Santanu Roy (Speaker)

19 Jul 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Search Platforms: Big Data and Sponsored positions

Maarten Janssen (Speaker)

22 Jun 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Search platforms: Big Data and sponsored positions

Maarten Janssen (Speaker) & Thomas Jungbauer (Speaker)

19 May 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Dynamic pricing and uncertain capacities

Maarten Janssen (Speaker)

7 May 20218 May 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Dynamic pricing and uncertain capacities

Maarten Janssen (Speaker)

14 Apr 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Announcing intended prices

Maarten Janssen (Speaker)

17 Mar 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Nobel Prize 2020 Event

Maarten Janssen (Speaker)

16 Dec 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


Nobel Prize 2020 Event

Maarten Janssen (Speaker)

10 Dec 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


Competition policy for markets with search and switching costs

Maarten Janssen (Speaker)

Dec 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


Retail discrimination and consumer search

Maarten Janssen (Speaker)

17 Aug 202021 Aug 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


Regulating quality communication (online)

Maarten Janssen (Speaker)

9 Apr 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


The double diamond paradox

Maarten Janssen (Speaker)

2 Oct 2015

Activity: Talks and presentationsTalk or oral contributionOther


The double diamond paradox

Maarten Janssen (Speaker)

28 Aug 201530 Aug 2015

Activity: Talks and presentationsTalk or oral contributionOther


The double diamond paradox

Maarten Janssen (Speaker)

17 Aug 201521 Aug 2015

Activity: Talks and presentationsTalk or oral contributionOther


The double diamond paradox

Maarten Janssen (Speaker)

11 Dec 2014

Activity: Talks and presentationsTalk or oral contributionOther


The double diamond paradox

Maarten Janssen (Invited speaker)

7 Nov 2014

Activity: Talks and presentationsTalk or oral contributionOther


On beliefs in consumer search models

Maarten Janssen (Speaker)

13 Oct 2014

Activity: Talks and presentationsTalk or oral contributionOther


Gaming in combinatorial clock auctions

Maarten Janssen (Speaker)

5 Sep 2014

Activity: Talks and presentationsTalk or oral contributionOther


Non-reservation price equilibria and consumer search

Maarten Janssen (Speaker)

30 Aug 2014

Activity: Talks and presentationsTalk or oral contributionOther


On the positive role of negative political campaigning

Maarten Janssen (Speaker)

21 Jun 2014

Activity: Talks and presentationsTalk or oral contributionOther


Non-reservation price equilibria and consumer search

Maarten Janssen (Speaker)

1 Apr 2014

Activity: Talks and presentationsTalk or oral contributionOther


Non-reservation price equilibria and consumer search

Maarten Janssen (Invited speaker)

13 Mar 2014

Activity: Talks and presentationsTalk or oral contributionOther


Consumer search and double marginalization

Maarten Janssen (Speaker)

28 Feb 2014

Activity: Talks and presentationsTalk or oral contributionOther


Consumer search and double marginalisation

Maarten Janssen (Invited speaker)

28 Nov 2013

Activity: Talks and presentationsTalk or oral contributionOther


Non-reservation price equilibria and consumer search

Maarten Janssen (Speaker)

26 Aug 201330 Aug 2013

Activity: Talks and presentationsTalk or oral contributionOther


Spectrum auctions

Maarten Janssen (Invited speaker)

11 Jul 2013

Activity: Talks and presentationsTalk or oral contributionOther


Gaming in combinatorial clock auctions

Maarten Janssen (Speaker)

Jun 2013

Activity: Talks and presentationsTalk or oral contributionOther


Non-reservation price equilibria and consumer search

Maarten Janssen (Speaker)

29 May 201330 May 2013

Activity: Talks and presentationsTalk or oral contributionOther


Non-Reservation price equilibria and consumer search

Maarten Janssen (Speaker)

25 Apr 2013

Activity: Talks and presentationsTalk or oral contributionOther


CCA auctions

Maarten Janssen (Speaker)

10 Apr 2013

Activity: Talks and presentationsTalk or oral contributionOther


Gaming in combinatorial clock auctions

Maarten Janssen (Speaker)

9 Apr 2013

Activity: Talks and presentationsTalk or oral contributionOther


Gaming in Cobinatorial Clock auctions

Maarten Janssen (Speaker)

13 Dec 2012

Activity: Talks and presentationsTalk or oral contributionOther


Mergers in Bidding Markets

Maarten Janssen (Speaker)

2 Sep 2012

Activity: Talks and presentationsTalk or oral contributionOther


Triple Marginalization and Consumer Search

Maarten Janssen (Speaker)

22 Jun 2012

Activity: Talks and presentationsTalk or oral contributionOther


Non-reservation price equilibria

Maarten Janssen (Speaker)

7 Jun 2012

Activity: Talks and presentationsTalk or oral contributionOther


Vertical relations and Consumer Search

Maarten Janssen (Speaker)

4 Apr 2012

Activity: Talks and presentationsTalk or oral contributionOther


Mergers in Bidding Markets

Maarten Janssen (Speaker)

27 Feb 2012

Activity: Talks and presentationsTalk or oral contributionOther


Department of Economics

Deputy Head

Oskar-Morgenstern-Platz 1
1090 Wien
Room: 05.609

T: +43-1-4277-37438

maarten.janssen@univie.ac.at