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A maximum likelihood method for estimating the power-law exponent verifies that the positive and negative tails of the Colombian stock market index (IGBC) and the Colombian peso exchange rate (TRM) approximate a scale-free distribution, whereas none of the heavy tails of a local sovereign...
Persistent link: https://www.econbiz.de/10010764998
This paper evaluates the impact of Resolution CREG 051 on the performance of the electricity markets in Colombia. We found out that productive efficiency has improved since the introduction of the Resolution, that is, the total costs of producing electricity have been reduced. This shows a...
Persistent link: https://www.econbiz.de/10010828161
Recientemente, las alteraciones de las condiciones climáticas, cada vez con mayor frecuencia e intensidad, vienen afectando la producción de alimentos en Colombia y en el resto del mundo, provocando por consiguiente una creciente volatilidad de los precios de los alimentos, la cual se suma al...
Persistent link: https://www.econbiz.de/10010885938
A threefold analysis of commodity prices is carried out to observe their long-runbehaviour, their short-run properties and the main determinants. According to theevidence, the Prebisch-Singer hypothesis does not seem to be a property of mostprices. The cycles of commodity prices are asymmetric...
Persistent link: https://www.econbiz.de/10005768158
Durante los últimos dos años los bancos centrales que siguen el esquema de `inflación objetivo´ incumplieron sus metas. La causa no fue la insuficiencia o posibles yerros de la política monetaria, cuyos instrumentos están diseñados para responder a movimientos de la inflación originados...
Persistent link: https://www.econbiz.de/10005061456
En este documento se establecen algunos hechos estilizados acerca del comportamiento de los precios regulados en Colombia. Se analiza el grado de rigidez de los precios en diferentes categorías de productos, con un énfasis particular en los precios regulados. En el documento se establece que...
Persistent link: https://www.econbiz.de/10005262735
This paper evaluates the fiscal sustainability hypothesis for eight Latin Americancountries for the period 1960 - 2009: Argentina, Chile, Colombia, Ecuador, Panama, Peru, Paraguayand Uruguay. Using second generation cointegration panel data models, we test whether governmentrevenues and primary...
Persistent link: https://www.econbiz.de/10009358982
This paper contains a nonlinear, nonstationary autoregressive model whose intercept changes deterministically over time. The intercept is a flexible function of time, and its construction bears some resemblance to neural network models. A modelling technique, modified from one for single...
Persistent link: https://www.econbiz.de/10005196682
Este documento analiza los determinantes del endeudamiento de los hogares enColombia en los ´ultimos 14 a~nos. A partir de un modelo simple de elecci´on y con base enlos datos de las Cuentas Financieras del Banco de la Rep´ublica y de la muestra aleatoriacodificada de los renglones de las...
Persistent link: https://www.econbiz.de/10005196693
This work presents some evidence of the nonlinear and inverse relationship between the share prices on the Bogotá stock market and the interest rate as measured by the interbank loan interest rate, which is to some extent affected by monetary policy. The model captures the stylised fact on this...
Persistent link: https://www.econbiz.de/10005768061