-as-you-go pension systems when population ages. When the fertility rate decreases or longevity rises, it is shown that a shift from …

among the elderly as it is generally effective on a shorter horizon than environmental maintenance. With population aging … generations model with endogenous longevity, where lifespan depends on health care expenditure and environmental quality. We …

This paper studies the design of the optimal non linear taxation in an economy where longevity varies across agents …, and depends on three factors: longevity genes, health investment and farsightedness. Provided earnings, farsightedness and … redistribution across both earnings and genetic dimensions. Whether longevity-enhancing spending should be subsidized or taxed is …

in longevity to the cohort born in 1640-9, clearly preceding the Industrial Revolution. Third, we find that this timing … of improvements in longevity concerns most countries in Europe, as well as all types of skilled occupations. Finally, the …

where longevity is endogenous. It is shown that the capital per worker maximizing steady-state consumption per head is … inferior to the Golden Rule capital level prevailing under exogenous longevity. We characterize also the Lifetime Golden Rule …

genetic background, and where longevity depends on health spending and genes. It is shown that, if agents internalize … imperfectly the impact of genes and health spending on longevity, the utilitarian social optimum can be decentralized with type … the production of longevity. …

This paper analyzes the impact of aging on capital accumulation and welfare in a country with a sizable unfunded social … type of aging and the type of unfunded social security system are important in understanding this impact. We consider two … demographic changes, declining fertility and increasing longevity, and three types of pensions, defined contributions, defined …