State tort laws that govern the apportionment of damages from accidents often bar potential plaintiffs who played even a minor causal role in the accident from recovering damages from other culpable parties. However, anecdotal evidence suggests that judges and juries fail to enforce the letter...

To develop new evidence on how hospital ownership and other aspects of hospital market composition affect health care productivity, we analyze longitudinal data on the medical expenditures and health outcomes of the vast majority of nonrural elderly Medicare beneficiaries hospitalized for new...