“…In this paper, following Hoernig (), Nakmaura (2013a), and Nakamura (2013b), we suppose that . On the other hand, the manager hired by each firm perceives the utility function of the representative consumer as follows: Thus, following Englmaier and Reisinger () and Nakmaura (), in our model, each firm's manager is potentially biased in the sense that they evaluate the size of the market, a , incorrectly . More precisely, the firms' managers are potentially biased in the sense that they evaluate the size of the market, a , incorrectly.…”