Luo, Zhenwei; Guo, Pengfei; Wang, Yulan - 2022
In Gentzkow and Kamenica (2014), authors introduce a payoff function of the sender so that the concavification approach, which is introduced in Kamenica and Gentzkow (2011), can be applied to the scenario with costly signals. We find that this payoff function has an error and we provide the...