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...

Introduction: what have we learned about the problems of and prospects for disadvantaged youth? / Jonathan Gruber -- Education : the behavioral consequences of pre-kindergarten participation for disadvantaged youth / David Figlio and Jeffrey Roth -- Is gaining access to selective elementary...