In this paper, financial infrastructures increase the efficiency of the banking sector: they decrease the market power (due to horizontal differentiation) of the financial intermediaries, lower the cost of capital, increase the number of depositors and the amount of intermediated savings,...

The paper investigates, from the welfare and growth point of view, the determination of the optimal capacity of the banking system. For that purpose, we consider an overlapping generation model with endogenous growth. There is horizontal differentiation and imperfect competition in the banking...