2023 Transaction time models in multi-state life insurance Kristian Buchardt, Christian Furrer, and Oliver Lunding Sandqvist Scandinavian Actuarial Journal 2023 arXiv HTML A multistate approach to disability insurance reserving with information delays Oliver Lunding Sandqvist 2023 arXiv 2024 2025 Estimation for Multistate Models Subject to Reporting Delays and Incomplete Event Adjudication with Application to Disability Insurance Kristian Buchardt, Christian Furrer, and Oliver Lunding Sandqvist Annals of Applied Statistics 2025 arXiv HTML Loss of earning capacity in Denmark - an actuarial perspective Christian Furrer, and Oliver Lunding Sandqvist 2025 arXiv 2026 A Doubly Robust Learner for Regression and Inference With Right-Censored Outcomes Oliver Lunding Sandqvist Scandinavian Journal of Statistics 2026 arXiv HTML Event history analysis with time-dependent covariates via landmarking supermodels and boosted trees Oliver Lunding Sandqvist 2026 arXiv