This paper analyzes net interest income in the Mexican banking system over the period 1993-2005. Taking as reference the seminal work by Ho and Saunders [Ho, T., Saunders, A., 1981. The determinants of banks interest margins: theory and empirical evidence. Journal of Financial and Quantitative...

This paper analyzes the evolution of competition in the Mexican banking system in the period 1993-2005, a period of deregulation, liberalization and consolidation of the sector. For this purpose we use two indicators of competition from the theory of industrial organization (the Lerner index and...

This paper estimates the social costs of market power (Harberger's triangle) in the Mexican banking system over the period 1993-2005. It also tests the so-called "quiet life" hypothesis which postulates a negative effect of market power on bank management efficiency. The social cost attributable...