The cross-national intragenerational income mobility literature assumes within-country mobility is invariant over the … the entire period 1984-2006, we find the conventional result that income mobility is greater in Germany. But when we cut … the data into moving five-year windows and compare mobility before and after reunification, income mobility declines …

Recent research on United States levels and trends in income inequality vary substantially in how they measure income …. Piketty and Saez (2003) examine market income of tax units based on IRS tax return data, DeNavas-Walt, Proctor, and Smith … (2012) and most CPS-based research uses pre-tax, post-transfer cash income of households, while the CBO (2012) uses both …