| edoc-Server der Humboldt-Universität zu Berlin |
| Author(s): |
Rüdiger Schultz, Gerhard-Mercator University Duisburg Stephan Tiedemann, Gerhard-Mercator University Duisburg | Title: | Risk aversion via excess probabilities in stochastic programs with mixed-integer recourse |
| Date of Acceptance: | 16.08.2002 |
| Submission Date: | 08.07.2002 |
| Series Title: |
Stochastic Programming E-Print Series (SPEPS) |
| Editors: | Julie L. Higle; Werner Römisch; Surrajeet Sen |
| Complete Preprint: |
pdf
(urn:nbn:de:kobv:11-10058548)
ps (urn:nbn:de:kobv:11-10058555) |
| Keywords (eng): | stochastic programming, mean-risk models, mixed-integer optimization |
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| We consider linear two-stage stochastic programs with mixed-integer recourse. Instead of basing the selection of an optimal first-stage solution on expected costs alone, we include into the objective a risk term reflecting the probability that a preselected cost threshold is exceeded. After we have put the resulting mean-risk model into perspective with stochastic dominance, we study further structural properties of the model and derive some basic stability results. In the algorithmic part of the paper, we propose a scenario decomposition method and report initial computational experience. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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