This highly topical book explores key issues in evaluating the long-run implications of population ageing for pensions, taxation, intergenerational equity and social welfare. Societies face long-term phenomena, such as demographic change and climate change that impose costs and benefits far into the future. These present challenges for policymakers in planning intertemporal consumption paths that balance the goals of efficiency and equity. An exploration of these issues, with respect to population ageing in particular, is the primary motivation for this book. John Creedy and Ross Guest...