Wave 4 Survey of Income and Program Participation - 1992 Panel: Topical Modules

SIPP is a nationally representative longitudinal survey that provides comprehensive data about the income and government program participation of individuals and...SIPP（Survey of Income and Program Participation）是一项具有全国代表性的纵向追踪调查，可为个人及……的收入与政府项目参与情况提供全面详实的数据。