New findings are presented on the effectiveness (in terms of fatal crash reductions) of state-level public policies related to drunk driving. Conventional estimates of policy effects might be biased because of the endogeneity of policies; this concern is addressed by analyzing the time pattern...

In the selective contracting era, consumer choice has generally been absent in most state Medicaid programs, including California's (called Medi-Cal). In a setting where beneficiary exit is not a threat, a large payer may have both the incentives and the ability to exercise undue market power,...