Making accurate predictions about population trends is difficult. However a good grasp of demographic trends is also essential both for policymakers and many companies. Changes in Iife expectancy is a relatively blunt tool for measuring the impact of interventions, such as a new drug, or safety law, on different causes of death. Séverine Arnold and her co-authors offer a more sophisticated approach which enables interventions to be measured in terms of their relative impact on the age distribution of future populations, including old age dependency ratios.
As longevity increases ensuring that people have sufficient finances in later life has become a greater challenge for governments, whether that funding provision involves the public or private sector, or a mix of both. Joël Wagner’s research focuses largely on the topics of risk management and insurance including recent work on long term investment products like life insurance savings contracts.