Based on sophisticated demographic analysis, Legal Construct, Social Concept argues that legal doctrine on social issues is shaped by the needs and values of society rather than by individuals and interest groups and that it evolves in response to social change but has little impact on that change. The book also explains why a substantial body of social science research has found that although law may be effective for some types of economic problems, its impact on social problems is generally small and of brief duration. At least in the United States, legal doctrine seems to operate...