This paper analyzes the determinants of interest margins in the Colombian Financial System. Based on the model by Ho and Saun- ders (1981), interest margins are modelled as a function of the pure spread and bank-speci¯c institutional imperfections using quarterly data for the period...

This paper presents two versions of a spatial competition model for the banking sector. The first version, describes a framework that follows closely Salop’s spatial competition model. This version is modified in the second part by introducing the loan market and default risk probabilities for...

This paper presents a multimarket spatial competition oligopoly model for the Colombian deposit market, in line with the New Empirical Industrial Organization (NEIO) approach. In this framework, banks use price and non-price strategies to compete in the market, which allows us to analyze the...