Centre d'Économie de la Sorbonne (The Sorbonne Economics Centre) in Paris is happy to host the 28th Coalition Theory Network Conference (CTN2025) on Thursday 22 and Friday 23 May 2025.

The Coalition Theory Network (CTN) is an association of ten high-level scientific institutions whose aim has been the advancement and diffusion of research in the (very broadly defined) areas of network theory and coalition formation for thirty years. From the beginning, the annual workshop has brought together an international group of scholars to discuss current developments, form new collaborations, and foster the use of theoretical works in applied research.

For the CTN research fields of interest, see here.

• Dunia López-Pintado (University Pablo de Olavide - Seville)
• Alex Teytelboym (University of Oxford)
• Bruno Ziliotto (CNRS, IMT, Toulouse School of Economics)

• Submission: January 6 - February 14, 2025 (Extended to February 20)
• Acceptance decision: Week of March 17, 2025
• Registration: March 17 - May 1, 2025

Papers or extended abstracts in PDF format can be submitted from January 6 to February 20, using this website. You need to have an account and first to login to be able to submit your paper. Please include abstract and keywords in your submission. PhD students' applications are particularly welcome. PhD students are asked to add a comment in the submission form confirming their PhD status. The CTN2025 Best Student Paper Prize will be awarded during the conference.

The regular registration fee for the CTN2025 Conference is €175, the student registration fee is €25.

Registration includes: Conference package, Access to sessions, Coffee Breaks, Lunches, Social dinner on May 22.

It is composed of the CTN Scientific Board Representatives:

• Anna Bogomolnaia (University of Glasgow & CNRS)
• Yann Bramoullé (Aix Marseille School of Economics & CNRS)
• Bas Dietzenbacher (Department of Quantitative Economics, Maastricht University)
• Dominik Karos (Center for Mathematical Economics, Bielefeld University)
• Toygar T. Kerman (Institute of Economics, Corvinus University of Budapest)
• Pau Milán (MOVE, Universitat Autónoma de Barcelona)
• Agnieszka Rusinowska (Centre d'Économie de la Sorbonne, CNRS & University Paris 1)
• Vincent Vannetelbosch (Center for Operations Research and Econometrics, UCLouvain)
• Shlomo Weber (New Economics School & New Uzbekistan University)
• Myrna Wooders (Department of Economics, Vanderbilt University)

• Philippe Bich (Centre d'Économie de la Sorbonne, Université Paris 1 Panthéon Sorbonne, Paris School of Economics)
• Francis Bloch (Université Paris 1 Panthéon Sorbonne, Paris School of Economics)
• Michel Grabisch (Centre d'Économie de la Sorbonne, Université Paris 1 Panthéon Sorbonne, Paris School of Economics)
• Agnieszka Rusinowska (Centre d'Économie de la Sorbonne, CNRS & Université Paris 1 Panthéon Sorbonne, Paris School of Economics)