Hans-Theo Normann, "Vertical Integration, Raising Rivals’ Costs and Upstream Collusion," European Economic Review 53, 461-480 (2009).

Hans-Theo Normann and Roberto Ricciuti, "Experiments for Economic Policy Making," Journal of Economic Surveys 23, 407-432 (2009).

Niels Petersen, "How Rational is International Law?," European Journal of International Law 20, 1247-1262 (2009).

Niels Petersen, "Rational Choice or Deliberation? - Customary International Law between Coordination and Constitutionalization," Journal of Institutional and Theoretical Economics 165, 71-85 (2009).

Susanne Prantl, M. Almus, J. Egeln, and D. Engel, "Lending Decisions of Cooperative Banks, Private Credit Banks and Savings Banks (in German)," Journal of Applied Social Science Studies (Schmollers Jahrbuch - Zeitschrift für Wirtschafts- und Sozialwissenschaften) 129, 83-132 (2009).

Susanne Prantl and A. Spitz-Oener, "How Does Entry Regulation Influence Entry into Self-employment and Occupational Mobility?," Economics of Transition 17, 769-802 (2009).

Bettina Rockenbach and Manfred Milinski, "How to treat those of ill-repute," Nature 457, 39-40 (2009).

Kristina Schönfeldt, "Veranstaltungsbericht über die 49. Assistententagung Öffentliches Recht 2009: Recht und Markt- Wechselbeziehungen zweier Ordnungen," Juristische Schulung 5, X-XI (2009).

Matthias Sutter, "Individual Behavior and Group Membership: Comment," American Economic Review 99, 2247-2257 (2009).

Matthias Sutter, "Deception Through Telling the Truth?! Experimental Evidence From Individuals and Teams," Economic Journal 119, 47-60 (2009).

Matthias Sutter, R. Bosman, M. Kocher, and F. van Winden, "Gender pairing and bargaining—Beware the same sex!," Experimental Economics 12, 318-331 (2009).

Matthias Sutter, M. Kocher, and S. Strauß, "Individuals and teams in auctions," Oxford Economic Papers 61, 380-394 (2009).

Matthias Sutter and C. Strassmair, "Communication, cooperation and collusion in team tournaments—An experimental study," Games and Economic Behavior 66, 506-525 (2009).

Christian Traxler, "Voting over taxes: the case of tax evasion," Public Choice 140, 43-58 (2009).

Anne van Aaken, "Defragmentation of International Law through Constitutional Interpretation: A Methodological Proposal," Indiana Journal of Global Legal Studies 16, 483-512 (2009).

Anne van Aaken, "Effectuating Public International Law Through Market Mechanisms?," Journal of Institutional and Theoretical Economics (JITE) 165, 33-57 (2009).

Anne van Aaken, "Independent Electoral Management Bodies - Any Impact on the Observed Level of Democracy? A Conceptual Framework," Constitutional Political Economy 20, 296-232 (2009).

Anne van Aaken, "International Investment Law Between Commitment and Flexibility: A Contract Theory Analysis," Journal of International Economic Law 12, 507-538 (2009).

Anne van Aaken and Richard Chambers, "Accountability and Independence of International Election Observers," International Organizations Law Review 6, 541-580 (2009).

Carl Christian von Weizsäcker, "Climate Protection without Borders," MaxPlanckResearch 1, 66-72 (2009).