Wave 2 Survey of Income and Program Participation - 1993 Panel: Core

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）是一项具有全国代表性的纵向追踪调查，可为个人及……的收入状况与政府项目参与情况提供全面详实的数据。