This paper analyzes the determinants of labor productivity in the services firms of Colombia. In particular, we examine the relation between information and communication technologies –ICT– (in terms of investment and use) and productivity. The study finds that ICT investment and use jointly...

This paper studies the separation of ownership and control for an average of 140 listed non-financial corporations in Colombia during the 1996-2002 period. Breaking down the sample according to corporations` listing status and economic activity shows that voting rights are greater than cash flow...

This paper examines for the first time the association of different ownership and control measures and separation ratios with a firm`s value and performance for 108 non-financial firms that traded their stock during the period 1998 to 2002. Large blockholders were found to exert a positive...

Este trabajo analiza los determinantes de la productividad laboral en las empresas de servicios de Colombia. En particular se examina la relación entre las tecnologías de la información y de la comunicación TIC (en términos de inversión y uso) y la productividad. El estudio encuentra que...

High-dimensional spectroscopy data are increasingly common in many fields of science. Building classification models in this context is challenging, due not only to high dimensionality but also to high autocorrelations. A two-stage classification strategy is proposed. First, in a data...

A survey of Bus Rapid Transit BRT and Bus of High Level of Service BHLS around the world indicates that there are about 120 cities with bus corridors, with 99 of the cities entering into the list in the last 12 years. The existing bus corridors comprise about 280 corridors, 4300 km, 6700...

El proceso de desregulación del sector eléctrico en la Unión Europea generó acciones estratégicas de parte de las empresas del sector que han llevado al reordenamiento de su mercado de energía eléctrica. Una serie de fusiones y adquisiciones ocurrieron a raíz de ese proceso. Este trabajo...

This paper studies the separation of ownership and control of 108 listed companies in Colombia from 1996 to 2002, finding that voting rights are greater than cash flow rights because of indirect ownership across firms. The paper also examines the association of various ownership and control...