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α: calibrated so average coauthorship-adjusted count equals average raw count
In an effort to address the opioid epidemic, a majority of states recently passed some version of a Good Samaritan law (GSL) and/or a naloxone access law (NAL). Good Samaritan laws provide immunity from prosecution for drug possession to anyone who seeks medical assistance in the event of a drug overdose; NALs allow laypersons to administer naloxone, which temporarily counteracts the effects of an opioid overdose. Using data from the National Vital Statistics System multiple-cause-of-death mortality files for 1999-2014, this study is the first to examine the effects of these laws on overdose deaths involving opioids. The estimated effects of GSLs on opioid-related mortality are consistently negative but not statistically significant. Adoption of an NAL is associated with a statistically significant 9-10 percent reduction in opioid-related mortality, although the negative association between NALs and opioid-related mortality appears to be driven by early adopters--states that passed legislation before 2011.