The contribution of cigarette smoking to national health expenditures is thought to be large, but our current understanding of the effect of smoking on annual medical expenditures is limited to studies that use cross-sectional data to make comparisons of medical care expenditures between smokers...

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...

Wage structure, raises, and mobility : an introduction to international comparisons of the structure of wages within and across firms / Edward P. Lazear and Kathryn L. Shaw -- Adjusting imperfect data : overview and case studies / Lars Vilhuber -- Wage structure and labor mobility in the United...

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...