Derksen, Britt (2026) The Effect of Heterogeneity in Risk-Aversion on Transportation Networks. Integration Project, Industrial Engineering and Management.
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Abstract
This thesis investigates the impact of heterogeneous risk aversion on equilibrium traffic flows and network performance in stochastic transportation networks. While existing models typically assume homogeneous risk preferences, this study extends the Conditional Value-at-Risk (CVaR)-based Wardrop equilibrium framework to account for multiple traveler groups with distinct risk aversion levels. The analysis compares equilibrium outcomes under heterogeneous risk preferences to those under a homogeneous assumption, focusing on whether heterogeneity leads to more efficient network performance. To explore these effects, the study evaluates different network structures, from simple parallel-path networks to more complex configurations such as the Wheatstone and Sioux Falls networks. The results show that heterogeneous risk preferences significantly alter equilibrium flows in smaller networks, either improving or harming performance depending on structure and risk configurations. However, these effects do not persist in the larger Sioux Falls network, where the influence is minimal, highlighting the relationship between risk preferences, network size, and complexity.
| Item Type: | Thesis (Integration Project) |
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| Supervisor name: | Cherukuri, A.K. |
| Degree programme: | Industrial Engineering and Management |
| Thesis type: | Integration Project |
| Language: | English |
| Date Deposited: | 14 Apr 2026 09:10 |
| Last Modified: | 14 Apr 2026 09:10 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/37287 |
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