Many commonly used treatment effects estimators rely on the unconfoundedness assumption ("selection on observables") which is fundamentally non-testable. When evaluating the effects of labor market policies, researchers need to observe variables that affect both treatment participation and labor...

We examine changes in inequality and instability of the combined earnings of married couples over the 1980-2009 period using two U.S. panel data sets: Social Security earnings data matched to Survey of Income and Program Participation panels (SIPP-SSA) and the Panel Study of Income Dynamics....

The divergence of unemployment rates between the United States and Europe coincided with a substantial acceleration in capital-embodied technical change in the late 1970s. Evidence suggests that European economies have lagged behind the United States in the adoption and usage of new...