Regional Variations in White-Black Earnings
研究了美国黑人收入持续落后于白人、尤其在南部各州更为严重的原因，分析区域收入差异的影响因素，有助于理解全国层面的差距并应用于公共政策。
An examination of why black Americans' earnings continue to lag whites' and why the problem is especially acute in the southern states. Better understanding of the factors driving regional pay differentials can help explain some of the disparities at the national level and is also applicable to a wide variety of other public policy issues.