Spaniish Abstract: El tema de la eficiencia económica y de la calidad tiene gran importancia en la teoría económica, los cuales son objeto de la intervención del Estado a través de la regulación económica de las empresas prestadoras de los servicios públicos que son considerados...

Spanish Abstract: En este artículo se describen y analizan distintos enfoques que explican la relación entre las variables agregadas: el crecimiento económico, la productividad y la competitividad de la economía. En él se encuentran resultados tales como la divergencia teórica y la poca...

If there is valuable information for predicting bond prices over time, how can we use this information to improve investor's risk-return trade-off and term structure modelling? This thesis aims at answering this question. The first chapter discusses the predictive role of alternative measures of...

This paper examines the reciprocal lending relationships between financial conglomerates (FCs) in the repo market to better understand the following key points: what motivates powerful firms to engage in this type of contemporaneous cross-funding relationship; and the implications of such...

A set of multivariate GARCH models is estimated and its empirical validity is compared from the calculation of the Value at Risk. Data used are the daily returns of the nominal exchange rate of the Colombian peso vis-a-vis the American dollar, euro, sterling and Japanese yen for the period...

This paper asks whether the ‘leverage effect’ –as defined by Black (1976) for stock markets– is also a characteristic of foreign exchange markets. The study focuses on five Latin American emerging markets which have adopted a floating exchange regime. It