Wave 6 Survey of Income and Program Participation - 2004 Panel: Topical Modules

SIPP is a nationally representative longitudinal survey that provides comprehensive data about the income and government program participation of individuals and...收入与项目参与调查（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数据。