Notes, Comments and Preliminary results Sep 30 2023 Tsuyoshi Toshimitsu   A start-up problem in a pure network good market and the role of a stand-alone effect with a monopoly: A revisit of Rohlfs (1974, 2001)   Abstract  Contact Information  Citation  Full Text  -  Note   Aug 11 2019 Tsuyoshi Toshimitsu   Comment on “Price and quantity competition in network goods duopoly: A reversal result”   Abstract  Contact Information  Citation  Full Text  -  Comment   Oct 10 2018 Tsuyoshi Toshimitsu   Tacit collusion and its welfare effect in a network product market   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 20 2017 Tsuyoshi Toshimitsu   On consumer expectations in a network goods market: The monopoly case   Abstract  Contact Information  Citation  Full Text  -  Note