Levels of interest rates below historical norms may have enhanced financial instability in developed and developing economies during the 2000's. The risk taking channel of monetary policy transmission is a recent theory that explains the interaction between risk perceptions of the financial...

We study the network of Colombian sovereign securities settlements. With data from the settlement market infrastructure we study financial institutions’ transactions from three different trading and registering individual networks that we combine into a multi-layer network. Examining this...

An interacting network coupling financial institutions’ multiplex (i.e. multi-layer) and financial market infrastructures’ single-layer networks gives an accurate picture of a financial system’s true connective architecture. We examine and compare the main properties of Colombian multiplex...

Scale-free (inhomogeneous) connective structures with modular (highly clustered) hierarchies are ubiquitous in real–world networks. Evidence from the main Colombian payment and settlement systems verifies that local financial networks have self-organized into a modular scale-free architecture...

According to traditional literature, liquidity risk in individual banks can turn into a system-wide ¯nancial crisis when either interbank credit exposures or bank runs are present. This paper shows that this phenomenon can also arise when individual liquidity risk trans- forms into system-wide...

En este artículo se analizan los principales determinantes de la rentabilidad de los bancoscomerciales en Colombia durante el período comprendido entre enero de 2000 y mayo de 2007. Seestiman los efectos de los movimientos en la tasa de cambio peso dólar sobre dicha rentabilidad,tanto en un...

In this paper, we study the empirical relationship between credit funding sources and the financial vulnerability of the Colombian banking system. We propose a statistical model to measure and predict banking-fragility episodes associated with credit funding sources classified into retail...

This study provides new evidence on the relationship between abnormal loan growth and banks´ risk taking behavior, using data from a rich panel of Colombian financial institutions. We show that abnormal credit growth during a prolonged period of time leads to an increase in banks´ riskiness,...

En este documento se realiza una exploración inicial sobre los determinantes del número de relaciones bancarias del sector corporativo privado de Colombia. Siguiendo otros estudios similares que se han realizado para distintos países, se utilizan modelos de datos de cuenta y se estima un...

We study the effect of relationship lending on small firms´ failure probability using a uniquely rich data set comprised of information on individual loans of a large number of small firms in Colombia. We control for firm-specific variables and find that small firms involved in long-term...