Economic impacts of unionization on employers are difficult to estimate in the absence of large, representative data on establishments with union status information. Estimates are also confounded by selection bias, because unions could organize at highly profitable enterprises that are more...

This paper examines the determinants of hours worked when employment relationships are influenced by risk-sharing considerations. The environment considered is an extension of the standard symmetric-information risk-sharing model that allows for the possibility of enforcement problems on the...

Low birth weight (LBW) infants experience severe health and developmental difficulties that can impose large costs on society. However, estimates of the return to LBW-prevention from cross-sectional associations may be biased by omitted variables, such as genetic factors. To address this, we...