26-041/II - R&D Competition and Cooperation with Distance-Dependent Spillovers Authors: Grega Smrkolj, Newcastle University; Florian Wagener, University of Amsterdam Date: June 29, 2026
26-021/II - Collusion in the polluted river problem Authors: Mikel Alvarez-Mozos , University of Barcelona; Rene van den Brink, Vrije Universiteit Amsterdam; Marti Jane-Ballarin, University of Barcelona Date: May 08, 2026
26-006/II - Position values and fixed-fraction rules for rooted tree cost allocation problems Authors: Rene van den Brink, Vrije Universiteit Amsterdam; Elena Gavilan , Complutense University of Madrid; Conrado Manuel , Complutense University of Madrid; Takayuki Oishi , Meiji Gakuin University Date: February 26, 2026