2023 Transaction time models in multi-state life insurance Kristian Buchardt, Christian Furrer, and Oliver Lunding Sandqvist Scandinavian Actuarial Journal 2023 arXiv HTML Estimation for multistate models subject to reporting delays and incomplete event adjudication Kristian Buchardt, Christian Furrer, and Oliver Lunding Sandqvist 2023 arXiv A multistate approach to disability insurance reserving with information delays Oliver Lunding Sandqvist 2023 arXiv