Los mercados de contratos futuros tienen como fortaleza la eliminación del riesgo de contraparte, para esto es importante el nivel de garantías que las cámaras de riesgo exigen a los participantes del mercado -- Estas garantías deben cubrir las variaciones extremas del precio del producto,...

En este trabajo se analiza el efecto que tienen las restricciones de VaR sobre la selecci on de la cantidad de contratos forward en un mercado el ectrico y el momento en que se debe realizar la operaci on de cobertu- ra cuando un agente busca maximizar el valor esperado de su bene cio ajustado...

Quienes transan electricidad en los mercados liberalizados, estan expuestos a riesgos que requieren un analisis y tratamiento diferente al de otro tipo de commodities. La din amica del precio spot, unida a la necesidad de completar el mercado cubriendo la exposicion al riesgo de volumen, son...

Si bien la estimaci on o ficial para Colombia de la estructura a t ermino est a dada por el modelo el cual es ampliamente aceptado y usado. El modelo se basa en el ajuste de la curva con datos disponibles hasta t-1 lo que di culta por ende la estimacion futura (en el tiempo t) de la curva cero...

The official estimation for the term structure model in Colombia is based on the Nelson and Siegel (1987) development which is widely accepted and used. This estimation is based on the curve fitting with available data, only for one day ahead, making difficult to estimate the future zero-coupon...

The official estimation for the term structure model in Colombia is based on the Nelson and Siegel (1987) development which is widely accepted and used. This estimation is based on the curve fitting with available data, only for one day ahead, making difficult to estimate the future zero-coupon...

This paper presents a family of processes to model electricity spot prices in deregulated markets. Besides mean-reversion, a property they share with other comodities, power prices exhibit the unique feature of spikes in trajectories. We introduce a class of discontinuous processes exhibiting a...

We derive a general formula for the change of numéraire in multifactor ane arbitrage free models driven by marked point processes. As a complement, we present both ane structures and change of measures in the general setting of jump diusions. This provides for a comprehensive view on the subject.

This paper analyzes the special features of electricity spot prices derived from the physics of this commodity and from the economics of supply and demand in a market pool. Besides mean reversion, a property they share with other commodities, power prices exhibit the unique feature of spikes in...