Since the 1990s power markets are being restructured worldwide and nowadays electrical power is traded as a commodity. The liberalization and with it the uncertainty in gas, fuel and electrical power prices requires an effective management of production facilities and financial contracts....

We pose the following problem: given m jobs, each of which requires a certain total amount of labour that must be performed within specified time periods, how should one schedule the jobs' execution to obtain a total workload that is as even as possible? A related question is: what is the...

Estimating the probabilities by which different events might occur is usually a delicate task, subject to many sources of inaccuracies. Moreover, these probabilities can change over time, leading to a very difficult evaluation of the risk induced by any particular decision. Given a set of...

Preface -- Stream I: Continuous Optimization and Control -- Stream II: Discrete Optimization, Graphs and Networks -- Stream III: Decision Analysis, Decision Support -- Stream IV: Energy, Environment and Climate -- Stream V: Financial Modeling, Risk Management, Banking -- Stream VI: Game Theory,...

This proceedings volume contains a selection of papers presented at the OR 98 conference that was held at the Swiss Federal Institute of Technology (ETH) in Zurich from August 31-September 3, 1998. The selection of papers included in this volume reflects well the number of papers in the...