The worldwide problem with pay-as-you-go, defined-benefits social security systems is not just financial. Through a dynamic, overlapping-generations model where forming a family and bearing and educating children are choice variables, we show that social security taxes and benefits generate...

This volume analyzes intergenerational solidarity from diverse interdisciplinary angles within the social sciences. It provides analytical tools to advance research and documents how societies are adjusting to major changes that affect the core of the social fabric

This volume will include scenarios of geophysical and economic impacts from global warming beyond a doubling of greenhouse gases. Analyses will examine geophysical, ecological, and economic impacts, physical and institutional lags, alternative scenarios with and without policy intervention,...