08 Apr 2008 demography, labor & social policy, innovation, energy & climate Europe, Labor market, social policy and social services, External Publications Differences in the Productivity Levels of Older Workers in the EU - A Cross-Country Analysis of the Age-Wage Relationship Center for European Policy Studies. ENEPRI Research Reporthttp://www.ceps.be/book/differences-productivity-levels-older-workers-eu-cross-country-analysis-age-wage-relationship Tweet