4 papers · 1 filter
Insurance Pricing Optimization via Off-Policy Evaluation
Sascha Günther, Dimitri Semenovich, Mario V. Wüthrich
Traditional insurance pricing relies on risk-based principles that ensure actuarial fairness and solvency but do not explicitly account for policyholders' price sensitivity. We for…
Gini Score under Ties and Case Weights
Alexej Brauer, Mario V. Wüthrich
The Gini score is a popular tool in statistical modeling and machine learning for model validation and model selection. It is a purely rank based score that allows one to assess ri…
Tree-like Pairwise Interaction Networks
Ronald Richman, Salvatore Scognamiglio, Mario V. Wüthrich
Modeling feature interactions in tabular data remains a key challenge in predictive modeling, for example, as used for insurance pricing. This paper proposes the Tree-like Pairwise…
Shapley Values: Paired-Sampling Approximations
Michael Mayer, Mario V. Wüthrich
Originally introduced in cooperative game theory, Shapley values have become a very popular tool to explain machine learning predictions. Based on Shapley's fairness axioms, every…