Title :
Risk Management - beyond Risk Analysis
Author :
Pinto, Leontina ; Maia, Rodrigo ; Tsunechiro, Leandro ; Szczupak, Jacques ; Dias, Bruno
Author_Institution :
ENGENHO, ELETROPAULO, Sao Paulo
Abstract :
Most portfolio models target the risk analysis problem - that is, optimize a set of products or contracts and evaluate the risk associated to the optimum solution. This paper proposes a novel concept for the optimum portfolio problem: evaluate the optimum solution associated to a desired risk level n other words, risks levels are here taken as constraints to be obeyed, not consequences of a decision. The resulting non-linear, integer problem is solved by an efficient framework, based on the real-options concept, minimizing costs and maximizing flexibility. A case study with a real contract portfolio (ranging from months to several years ahead) illustrates the model potential.
Keywords :
power markets; risk management; contract portfolio; integer problem; nonlinear problem; optimum portfolio problem; portfolio models; real-options concept; risk level; risk management; Constraint optimization; Contracts; Cost function; Discrete event simulation; Portfolios; Risk analysis; Risk management; Robustness; Stochastic systems; Uncertainty;
Conference_Titel :
Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on
Conference_Location :
New Orleans, LA
Print_ISBN :
1-4244-0920-9
Electronic_ISBN :
1-4244-0921-7
DOI :
10.1109/ISCAS.2007.378614