Economic and policy implications of population aging / Robert Clark, Andrew Mason, Naohiro Ogawa -- Population aging, changing retirement policies and lifetime earnings profiles in Japan / Robert Clark, Naohiro Ogawa, Rikiya Matsukura -- Firm productivity, work-force age and educational...

Since the early 1980s, the U.S. economy has experienced a growing wage differential: high-skilled workers have claimed an increasing share of available income, while low-skilled workers have seen an absolute decline in real wages. How and why this disparity has arisen is a matter of ongoing...