RT Article T1 The social costs of gun ownership revisited JF Empirical economics A1 Hayo, Bernd 1967- A2 Westphal, Christian A2 Neumeier, Florian 1984- LA English YR 2018 UL https://krimdok.uni-tuebingen.de/Record/1912705885 DO 10.1007/s00181-018-1496-6