Curriculum vitae

Affiliations:

• Friedrich-Schiller-Universität Jena
  Wirtschaftswissenschaftliche Fakultät
  Carl-Zeiss-Str. 3
  07743 Jena
  GERMANY
• CESifo Research Network
  Poschingerstrasse 5
  81679 München

Research interests

Empirical methods, experiments, game theory, auctions and markets.

Education

Habilitation:

19 December 2001 at Universität Mannheim. Venia für Volkswirtschaftslehre (Economics)

Ph.D.:

2. May 1996 within the “European Doctoral Program in Quantitative Economics” at Universität Bonn and at EHESS and DELTA on “Evolution and Learning in Spatial Models”.

Diploma:

November 1990 at Universität Bonn. Title: Diplom Volkswirt. Topic: Optimal Taxation with Incomplete Competition.

Employments and Scholarships

since 2006:

Chair of Experimental and Empirical Economics at Friedrich-Schiller-Universität Jena in Germany.

2005-2006:

Chair of Microeconomics at the University of St. Andrews in Scotland.

2004-2005:

Interim Chair of Macroeconomics and Economic Policy at the Universität Mannheim.

2002-2004:

Interim Chair of Microeconomic Theory at the Universität Mannheim.

1997-2005:

Head of the experimental laboratory at the SFB 504 (Concepts of rationality, decision making, and economic modelling) at Universität Mannheim.

1996/1997:

Jean Monnet Fellow at the European University Institute in Florence.

1992-1996:

Research Assistant at Universität Bonn.

1991/1992:

Scholarship of the European Community (SPES) for a stay at DELTA in Paris.

1990/1991:

Research Assistant at Universität Bonn.

Funded research projects

2013-2018:

IMPRS Adapting Behavior in a Fundamentally Uncertain World (financial support through Max Planck Society, spokesperson, with Christoph Engel).

2006-2015:

DFG RTG 1411 Innovative Change (financial support through Deutsche Forschungs Gemeinschaft, deputy chair).

2008-2012:

Jena Graduate School Human Behaviour in Social and Economic Change (financial support through the state of Thuringia, principal investigator).

2006-2012:

IMPRS Adapting Behavior in a Fundamentally Uncertain World (financial support through Max Planck Society, principal investigator).

2003-2005:

“Modelling expectations in the context of micro- and macroeconomics'', Project B6 within SFB 504

Teaching

Teaching Award:

Fachschaftslehrpreis der Fakultät VWL der Universität Mannheim

Lectures (1.+2. year):

• EC1002 Microeconomics (together with John Beath)
• Microeconomics 2
• Statistics 2
• Empirical and Experimental Economics

Advanced Microeconomics (3.+4. year, 5+6. year):

• Auction Theory
• Bargaining Theory
• Behavioral Labor Markets (together with Armin Falk)
• Experimental economics
• EC4506: Experiments in Economics (together with Shane Bonetti)
• Practical Experimental economics.
• Experimental Contests.
• Game theory
• Information Economics

Econometrics (3.+4. year, 5+6. year):

• Econometrics
• Bayes
• Resampling
• Discrete choice
• Mixed Effects Models
• Graphs and Visualising Data
• Workflow of statistical data analysis
• Statistics for Graduate Students

Smaller courses and contributions to lectures:

• Classroom experiment: The experimental stock market within the context of the lecture "introduction into financial economics"
• WWW experiments and questionnaires
• Introduction to experimental economics

Seminars:

...in economic theory, evolutionary game theory, experimental and behavioural economics, game theory, labour markets: spring 93, spring 94, spring 95, fall 95/96, fall 03/04, 04/05, 06/07. 2007. 07/08.

Publications

• Oliver Kirchkamp (2023), “Workflow and Reproducibility”, in APA Handbook of Research Methods in Psychology, Vol. 1, Foundations, Planning, Measures, and Psychometrics. Edited by Harris Cooper, Marc N. Coutanche, Linda M. McMullen, and A. T. Panter. Chapter 11, pp. 211-226.
• Oliver Kirchkamp, Wladislaw Mill (2021), “Spite vs. Risk: Explaining overbidding”. Games and Economic Behavior, Vol. 130, pp. 616-635.
• Lorenzo Cominelli, Francesco Feri, Roberto Garofalo, Caterina Giannetti, Miguel A. Meléndez‑Jiménez, Alberto Greco, Mimma Nardelli, Enzo Pasquale Scilingo, Oliver Kirchkamp (2021), “Promises and trust in human–robot interaction.” Scientific Reports 11, 9687.
• Oliver Kirchkamp, Jörg Oechssler and Andis Sofianos (2021), “The Binary Lottery Procedure does not induce risk neutrality in the Holt and Laury and Eckel and Grossman tasks.” Journal of Economic Behavior and Organization, Vol. 185, pp. 348-369.
• Werner Güth, Oliver Kirchkamp (2021), “Believing in Corporate Social Responsibility — An Indirect Evolutionary Analysis”, Journal of Institutional and Theoretical Economics (JITE), Vol. 177(2), pp. 167-177.
• Oliver Kirchkamp, Wladislaw Mill (2020), “Conditional cooperation and the effect of punishment” Journal of Economic Behavior and Organization, Vol 174, pp. 150-172.
• Oliver Kirchkamp, J. Philipp Reiß (2019), “Heterogeneous bids in auctions with rational and boundedly rational bidders — theory and experiment” International Journal of Game Theory.
• Christoph Engel, Oliver Kirchkamp (2019), “How to Deal with Inconsistent Choices on Multiple Price Lists”, Journal of Economic Behavior & Organization, Vol. 160, pp. 138-157.
• Oliver Kirchkamp, Christina Strobel (2019), “Sharing Responsibility with a Machine”, Journal of Behavioral and Experimental Economics, Vol. 80, pp. 25-33.
• Oliver Kirchkamp (2019), “Importing z-Tree data into R”, Journal of Behavioral and Experimental Finance, Vol. 22, pp. 1-2.
• Serhiy Kandul, Oliver Kirchkamp (2018), “Do I care if the others lie? Current and future effects of delegation of lying”, Journal of Behavioral and Experimental Economics, Vol 74, pp. 70-78.
• Mike Farjam, Oliver Kirchkamp (2018), “Bubbles in hybrid markets — How expectations about algorithmic trading affect human trading”, Journal of Economic Behavior & Organization, Vol. 146, pp. 248-269.
• Oliver Kirchkamp (2018), “Does a Bounds Approach Help with Selection in Litigation Data?: Comment”, Journal of Institutional and Theoretical Economics (JITE), Vol. 174(1), pp. 131-136.
• Oliver Kirchkamp, Hiltrud Niggemann (2017), Review of “An Introduction to Stata Programming (2nd Edition)”, by Christopher F. Baum, Journal of Statistical Software, Vol. 77(1), pp. 1-5.
• Werner Güth, Kirsten Häger, Oliver Kirchkamp, Joachim Schwalbach (2016), “Testing Forbearance Experimentally—Duopolistic Competition of Conglomerate Firms”, International Journal of the Economics of Business, Vol. 23(1), pp. 63-86.
• Oliver Kirchkamp, Ulrike Vollstädt (2014), “Bargaining with Two-Person-Groups—How Significant are Patient Partners”, Journal of Economic Behaviour & Organization, Vol. 108, pp. 433-441.
• Marco Faravelli, Oliver Kirchkamp, Helmut Rainer (2013), “The Effect of Power Imbalances on Incentives to Make Non-Contractible Investments”, European Economic Review, Vol. 61, pp. 169-185.
• Robert Böhm, Klaus Rothermund, Oliver Kirchkamp (2013), “Social categorization and group-motivated interindividual—intergroup discontinuity”, European Journal of Social Psychology, Vol. 43(1), pp. 40-49.
• Werner Güth, Oliver Kirchkamp (2012), “Will you accept without knowing what?—A Thuringian newspaper experiment of the Yes-No game”, Experimental Economics, Vol. 15(4), pp. 656-666.
• Oliver Kirchkamp, Rosemarie Nagel (2012), “Naive learning in networks”, Encyclopedia of the Sciences of Learning, ed. Norbert M. Seel, part 14, pp. 2415-2418.
• Oliver Kirchkamp, J. Philipp Reiß (2011), “Out-of equilibrium bids in auctions—Wrong expectations or wrong bids”, Economic Journal, Vol. 121/557, pp. 1361-1397.
• Fabian Bornhorst, Andrea Ichino, Oliver Kirchkamp, Karl H. Schlag, Eyal Winter (2010), “Similarities and differences when building trust: the role of cultures”, Experimental Economics, Vol. 13/3, pp. 260-283.
• Hannah Hörisch, Oliver Kirchkamp (2010), “Less fighting than expected—experiments with wars of attrition and all-pay auctions”, Public Choice, Vol. 144/1, pp. 347-367.
• Michele Bernasconi, Oliver Kirchkamp, Paolo Paruolo (2009), “Do fiscal variables affect fiscal expectations? Experiments with real world and lab data”, Journal of Economic Behavior and Organisation, Vol. 70(1-2), pp. 253-265.
• Oliver Kirchkamp, Eva Poen, J. Philipp Reiß (2009), “Outside options: another reason to choose the first-price auction”, European Economic Review, Vol. 53(2), pp. 153-169.
• Oliver Kirchkamp (2009), “Do People Update Beliefs? A Critical Review and Some New Evidence”, Koreferat zum Beitrag von Anja Achtziger und Carlos Alós-Ferrer, in Wolfgang Franz, Werner Güth, Hans Jürgen Ramser, Manfred Stadler, Experimentelle Wirtschaftsforschung, Wirtschaftswissenschaftliches Seminar Ottobeuren (38), Mohr Siebeck, Tübingen, pp. 119-124.
• Oliver Kirchkamp, Benny Moldovanu (2008), “An experimental analysis of auctions with interdependent valuation”, in Abdolkarim Sadrieh and Joachim Weimann, Experimental Economics an Germany, Austria, and Switzerland. A collection of papers in honor of Reinhard Tietz, metropolis, Marburg, pp. 499-524.
• Oliver Kirchkamp, Rosemarie Nagel (2007), “Naive learning and cooperation in network experiments”, Games and Economic Behavior, Vol. 58/2, pp. 269-292.
• Oliver Kirchkamp (2006), Review of “Economic Theory and Cognitive Science: Microexplanation”, by Don Ross, Journal of Economics, Vol. 89(1), pp. 85-90.
• Oliver Kirchkamp, Benny Moldovanu (2004), “An experimental analysis of auctions with interdependent valuation”, Games and Economic Behavior, Vol. 48/1, pp. 54-85.
• Christian Dustmann, Oliver Kirchkamp (2002), “The optimal migration duration and activity choice after re-migration”, Journal of Development Economics, Vol. 67, pp. 351-372.
• Oliver Kirchkamp, Rosemarie Nagel (2001), “Repeated game strategies in local and group prisoners' dilemmas experiments: first results”, Homo Ökonomicus, XVIII(2), pp. 319-336.
• Michele Bernasconi, Oliver Kirchkamp (2000), “Why do monetary policies matter? An experimental study of saving and inflation in an overlapping generations model”, Journal of Monetary Economics, Vol. 46, pp. 315-343.
• Oliver Kirchkamp (2000), “Spatial evolution of automata in the prisoners' dilemma”, Journal of Economic Behaviour and Organization, Vol. 43, pp. 239-262.
• Oliver Kirchkamp (2000), Review of “Individual Strategy and Social Structure: An Evolutionary Theory of Institutions”, by H. Peyton Young, The Journal of Artificial Societies and Social Simulation, Volume 3, Issue 4.
• Oliver Kirchkamp (2000), “Evolution of learning rules in space”, in Ramzi Suleiman, Klaus G. Troitzsch and G. Nigel Gilbert, Tools and Techniques for Social Science Simulation, Physika Verlag, Heidelberg.
• Oliver Kirchkamp (1999), “Simultaneous evolution of learning rules and strategies”, Journal of Economic Behaviour and Organization, Vol. 40/3, pp. 295-312.
• Oliver Kirchkamp (1996), “Spatial evolution of automata in the prisoners' dilemma—preliminary results”, in K. G. Troitzsch, U. Mueller, G. N. Gilbert, J. E. Doran, Social Science Microsimulation, Springer.

Submitted and under revision

• Alexia Gaudeul, Katharina Gangl, Oliver Kirchkamp, Louisa Kulke (2024), “The impact of ethical feedback on moral emotions and managerial behavior: a labor market experiment”
• Oliver Kirchkamp, J. Philipp Reiß, Abdolkarim Sadrieh (2008), “A pure variation of risk in first-price auctions”, under revision at International Economic Review.

Working Papers

• Oliver Kirchkamp, Henning Prömpers (2013), “Discharge of residual debt—Do private and institutional lenders differ?”
• Katharina Eckartz, Oliver Kirchkamp, Daniel Schunk (2012), “How do Incentives affect Creativity?”
• Niels Grosse, Oliver Kirchkamp, “Learning from the experiments of others—Simultaneous search and cooperation in R&D and diffusion processes”

Ph.D. Students

1. Jianying Qiu (submitted in 2008), "Developments in Capital Asset Pricing: Theory and Experiments" (with Werner Güth).
2. Tobias Uske (submitted in 2008), "The Perception of Uncertainty and its Impact on Strategic Interactions - Analysis and Experimental Investigations" (with Werner Güth).
3. Nadine Chlaß (submitted in 2009), "Purely Procedural Aspects of Games" (with Werner Güth).
4. Stefan Bauernschuster (submitted in 2010), "Empirical Strategies in Entrepreneurship and Innovation Research" (with David Audretsch).
5. Robert Böhm (submitted in 2010), "Minimal Conditions for the Discontinuity Effect" (with Klaus Rothermund).
6. Niels Große (submitted in 2010), "Decision Making in Groups and Networks: The Case of Experimental Entrepreneurship and Innovation Research" (with Werner Güth).
7. Kirsten Häger (submitted in 2010), "Experiments on Models of Cooperative Micro-Economic Behavior" (with Werner Güth).
8. Tatiana Plotnikova (submitted in 2010), "Firm Growth Through Diversication: Analysis of Innovation Portfolios in Bio Pharmaceutical Industry" (with Uwe Cantner).
9. Vera Popova (submitted in 2010), "Experiments on cooperation and markets with asymmetric information" (with Werner Güth).
10. Alice Becker (submitted in 2011), "Fair Division, Compensation and Accountability" (with Werner Güth).
11. Charlotte Klempt (submitted in 2011), "Asymmetric Information in Bargaining" (with Werner Güth).
12. Linan Diao (submitted in 2011), "Behavioural Heuristics and Portfolio Choice" (with Jörg Rieskamp).
13. Lauri Sääksvuori (submitted in 2011), "On Human Nature and the Empirics of Collective Action" (with Werner Güth).
14. Fang Wang (submitted in 2011), "International Trade, Learning, and Firms’ Heterogeneous Performance: Theory and Evidence from Developing Economies" (with Uwe Cantner).
15. Simon Wiederhold (submitted in 2011), "The Role of Public Procurement in Innovation: Theory and Empirical Evidence" (with Uwe Cantner).
16. Ulrike Vollstädt (submitted in 2012), "Bargaining with Asymmetric Power-On Groups, Individuals and Escalation" (with Thomas Kessler).
17. Johannes Weisser (submitted in 2012), "One-Way Communication and Leading by Example" (with Werner Güth).
18. Georg Zaklan (submitted in 2012), "Adaptive Behavior in Strategic Settings with Multiple Agents-Theoretical Considerations, Empirical, and Simulation Analyses" (with Markus Pasche).
19. Michael Hüttner (submitted in 2012), "Political and economic alternatives for the gratification of emission reductions from deforestation and forest degradation under a future climate regime" (with Uwe Cantner).
20. Jieyao Ding (submitted in 2012), "Three Essays on Framing Effect and Individual Behavior" (with Christoph Engel).
21. Katrin Schmelz (submitted in 2012), "Cultural, Individual, and Situational Determinants of Control Aversion in Employment Relationships" (with Simon Gächter).
22. Karolina Hansen (submitted in 2012), "Interactions of accent and appearance in social categorization, impression formation, and economic decisions" (with Melanie Steffens).
23. Michael Kurschilgen (submitted in 2012), "How Norms Guide Behavior in an Uncertain World: An Experimental Law & Economics Perspective" (with Christoph Engel).
24. Jenny Volstorf (submitted in 2012), "Against all noise: on noise-robust strategies in the emergence of cooperation" (with Gerd Giegerenzer, Jörg Rieskamp).
25. Hannes Koppel (submitted in 2012), "Innate and Institutional Factors Affecting Other-Regarding Behavior and Reasoning in Economic Games" (with Werner Güth).
26. Sebastian Krügel (submitted in 2013), "Belief Updating and Trading Behavior in the Laboratory" (with Werner Güth).
27. Katharina Eckartz (submitted in 2013), "Information and incentives in principal-agent experiments" (with Christoph Engel).
28. Guohong Wang (submitted in 2013), "Absorptive Capacity, Knowledge Spillovers and Strategic R&D - Theory and Experiment" (with Uwe Cantner).
29. Igor Asanov (submitted in 2014), "Application of Experimental Methods to Economics of Innovation" (with Uwe Cantner and Arno Riedl).
30. Olexandr Nikolaychuk (submitted in 2014), "Information, Strategic Behavior and Learning in Games: An Experimental Analysis" (with Thomas Kessler).
31. Alexander Morell (submitted in 2014), "Opportunities of Cross-fertilization between Law and Experimental Economics" (with Werner Güth).
32. Marco Kleine (submitted in 2014), "Communication and Fairness: An Experimental Economics Approach" (with Christoph Engel).
33. Serhiy Kandul (submitted in 2015), "Experimental Analysis of Successes and Failures in Prosocial and Ethical Behavior" (with Christoph Engel).
34. Hanjo Hamann (submitted in 2015), "Behavioral Second-Order Strategies - Exploiting Market Myopia and Agent Delegation in Economic Decision-Making" (with Christoph Engel).
35. Marian Panganiban (submitted in 2015), "Institutions and Identity in Economic Decision-Making" (with Thomas Kessler).
36. Bendikt Werner (submitted in 2015), "On the Temporal Dynamics of Implicit Self-Regulation in the Form of Evaluative Goal Shielding" (with Klaus Rothermund).
37. Mike Farjam (submitted in 2016), "Game against the machine. Interacting with artificial economic agents" (with Pim Haselager).
38. Laura Lyhs (submitted in 2016), "Defensive Behavior in Principal-Agent Relationships" (with Christoph Engel).
39. Isabel Marcin (submitted in 2016), "Strategic Communication, Voting and Political Institutions: Essays in Behavioral Political Economy" (with Christoph Engel).
40. Pascal Langenbach (submitted in 2017), "Essays in Experimental Law and Economics: Participation and Decision-Making Procedures" (with Christoph Engel).
41. Josefine Diekhof (submitted in 2017), "An Empirical Investigation of Asymmetric Firm Responses – The Role of Environmentally Friendly Entrants in the Automotive Industry and External Demand Shocks on the Mexican Economy" (with Uwe Cantner).
42. Henning Prömpers (submitted in 2017), "Heterogeneous Risks at Auditing of Trade Accounts Receivable and Their Default in Payment within Personal Insolvency" (with Christoph Engel).
43. Svenja Hippel (submitted in 2018), "Institutional Solutions to Social Dilemmas: A Behavioral Economics Perspective" (with Christoph Engel).
44. Wladislaw Mill (submitted in 2018), "Spite in auctions — Theoretical and experimental investigations" (with Christoph Engel).
45. Christina Strobel (submitted in 2019), "Accountability and Appraisal of Artificial Intelligence" (with Christoph Engel).
46. Yoan Hermstrüwer (submitted in 2020), "Engineering Games in the Public Interest" (with Christoph Engel).
47. Maj-Britt Sterba (submitted in 2021), "Experimental evidence on fair and unfair inequalities" (with Christoph Engel).
48. Leonard Hoeft (submitted in 2022), "Legal Institutions in the Laboratory" (with Christoph Engel).

Professional Services

• Associate editor of the Journal of Behavioral and Experimental Economics
• Chairperson of the Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik from 2012-2013.

Refereeing for journals

American Economic Review; Annals of Operations Research; European Economic Review; Games and Economic Behavior; Experimental Economics; German Economic Review; IEEE Transactions on Systems, Man, and Cybernetics; IEEE Transactions on Evolutionary Computation; International Journal of Game Theory; International Journal of Industrial Organization; International Migration Journal; Jahrbücher für Nationalökonomie und Statistik; Journal of Artificial Societies and Social Simulation; Journal of Behavioral and Experimental Economics; Journal of Bioeconomics; Journal of Economic Behaviour and Organisation; Journal of Economic Dynamics and Control; Journal of Economic Psychology; Journal of Economic Surveys; Journal of Economic Theory; Journal of Evolutionary Economics; Journal of Financial Intermediation; Journal of Institutional and Theoretical Economics; Journal of Population Economics; Labour Economics; Land Use Policy; Management Science; Public Choice; Regional Science and Urban Economics; Review of Economic Studies; Scandinavian Journal of Economics; Social Choice and Welfare; Southern Economic Journal.

Refereeing for research funding agencies (selection)

ANR Agence Nationale de la Recherche; BSF United States - Israel, Binational Science Foundation; DFG Deutsche Forschungsgemeinschaft; Fritz Thyssen Stifung; FWF Austrian Science Fund; SSHRC Social Sciences and Humanities Research Council of Canada.

Invited seminars:

Duisburg-Essen (9.5.2018), Pisa (10.3.2015), Passau (28.5.2014), Hamburg (15.5.2014), Karlsruhe (4.7.2013), Graz (5.3.2013), Innsbruck (15.12.2011), Berlin (27.10.2011), Maastricht (22. 4. 2010), Erfurt (29. 1. 2009), Frankfurt (15. 10. 2008), Ottobeuren (14. 9. 2008), St Andrews (10. 9. 2008), Mannheim (26. 5. 2008), IK2008-Behavioral Economics (9.3.2008), Deutsche Physikalische Gesellschaft Annual Conference on Physics of Socio-Economic Systems (28. 2. 2008), Helsinki Center of Economic Research (5. 10. 2007), HU Berlin (5. 2. 2007), Uni Erfurt (1. 2. 2007), MPI Bonn (12. 3. 2007), University of Aberdeen (31. 5. 2006), Heriot Watt University (Edinburgh, 17. 2. 2006), University of Dundee (1. 2. 2006), Erasmus Research Institute of Management (ERIM, Rotterdam, 1. 3. 2004), Tinbergen Seminar “Institution and Decision Analysis” (CREED, Amsterdam, 7. 3. 2003), European Central Bank (Frankfurt, 3. 7. 2002), Max-Planck-Institut zur Erforschung von Wirtschaftssystemen (Jena, 27. 7. 2002), Österreichische Nationalbank (Wien, 11. 5. 2001), CERGE-EI (Prag, 6. 12. 2001), ZiF Making Choices (Bielefeld, 29. 6. 2000), UPF (Barcelona, 15. 5. 2000), ENDEAR Summerschool (Bari, 10. 9. 1999), HU Berlin (7. 7. 1999), Max-Planck-Institut für Bildungsforschung (Berlin, 8. 7. 1999), UPF (Barcelona, 12. 1. 1999), Universidad de Alicante (17. 1. 1996), European University Institute (15. 12. 1994).

Presentations given on conferences and workshops:

2017: Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Göttingen), JITE Konferenz 2017 “Empirical Methods for the Law” (Syrakus); 2015: CESifo Area Conference on Behavioural Economics, Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Berlin); 2013: CESifo Area Conference on Behavioural Economics, Verein für Socialpolitik (Düsseldorf); 2012: CESifo Area Conference on Behavioural Economics; 2011: CESifo Area Conference on Behavioural Economics, Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Erfurt), Gesellschaft für experimentelle Wirtschaftsforschung (Nürnberg); 2010: Opening workshop of mLab (Mannheim); 2009: Verein für Socialpolitik (Magdeburg), Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Koblenz), Gesellschaft für experimentelle Wirtschaftsforschung (Essen); 2008: Gesellschaft für experimentelle Wirtschaftsforschung (Mannheim), Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Frankfurt); 2007: Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Magdeburg), Gesellschaft für experimentelle Wirtschaftsforschung (Goslar), Verein für Socialpolitik (München); 2006: ESEM/EEA (Wien), Verein für Socialpolitik (Bayreuth); 2005: Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Graz), 5th ZEW Conference on the Economics of Information and Communication Technologies (Mannheim), Gesellschaft für experimentelle Wirtschaftsforschung (Köln), Verein für Socialpolitik (Bonn); 2004: Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Graz), ESA (Amsterdam), Games (Marseille), ESEM/EEA (Madrid), Gesellschaft für experimentelle Wirtschaftsforschung (Prag); 2003: Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Fribourg), ZEW Conference Information and Communication Technologies (Mannheim), ESA European Meeting (Erfurt), Verein für Socialpolitik (Zürich); 2002: Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik: (Fribourg), GEW (Halle-Wittenberg), ZEW Conference Information and Communication Technologies (Mannheim), ESEM (Venedig); 2001: Verein für Socialpolitik (Magdeburg), GEW (Magdeburg), Sozialwissenschaftlicher Ausschuss des Vereins für Socialpolitik (Koblenz), ZEW ICT Conference (Mannheim); 2000: EEA (Bozen), Verein für Socialpolitik (Berlin), GEW (Magdeburg), ESA (New York), CEPR/DFG/ZEW (Mannheim); 1999: ESEM (Santiago de Compostella), Verein für Socialpolitik (Mainz), ESA (Grenoble), GEW (Wittenberg); 1998: ESEM (Berlin), Verein für Socialpolitik (Rostock), ESA (Mannheim), GEW (Dresden); 1997: ESA (Tuscon), Social Science Microsimulation (Dagstuhl); 1996: Workshop Evolutorische Ökonomik (Buchenbach); 1995: Social Science Microsimulation (Dagstuhl), EDP-Jamboree (Bonn); 1994: ESEM (Mastricht), Fifth Jerusalem Summer School in Economic Theory, Summer in Tel Aviv, EDP-Jamboree (LSE, London); 1993: EDP-Jamboree (DELTA, Paris).