Brito, Duarte; Pereira, Pedro; Ramalho, Joaquim J.S. - In: International Journal of Industrial Organization 31 (2013) 5, pp. 554-568
We evaluate the impact on market power and efficiency of a series of mergers on three Portuguese non-life insurance markets. We specify and estimate, with a panel of firm-level data, a structural model which includes: preferences, technology, and a market equilibrium condition. Firms' demand...