Recent work in quantitative biology has shown theoretically why Fisher's Fundamental Theorem of Natural Selection does not preclude genetic influences on fertility, sexuality, and related processes. Genetic Influences on Human Fertility and Sexuality takes the next step, and presents a number of successful empirical searches for such genetic influence on a broad range of processes, such as puberty, marriage, sexual behavior, and twinning. Employing a broad range of methodological approaches, including molecular and behavioral genetics, this book weaves a new theoretical framework...

This book offers a comparative analysis of policy representation in five Western Democracies: France, Germany, the Netherlands, Sweden, and the US. A leading group of authors examines the impact of belief systems and geographical and institutional characteristics on the match between the policy preferences of the electorate and those of their representatives.