Notes, Comments and Preliminary results Sep 30 2025 Aika Monden , Shuhei Takezawa and Tomomichi Mizuno   Quantity versus price competitions in a vertical relationship with separate downstream markets   Abstract  Contact Information  Citation  Full Text  -  Note   Sep 30 2025 Rajeev K Tyagi   On the commoditization of complementary markets   Abstract  Contact Information  Citation  Full Text  -  Note   Sep 30 2025 Gökhan Can   Losses from cross-ownership due to risk aversion   Abstract  Contact Information  Citation  Full Text  -  Note   Sep 30 2025 Gökhan Can   Overlapping ownership in a unionized oligopoly   Abstract  Contact Information  Citation  Full Text  -  Note