Gius (2014) tested the effect away from should-question guidelines for the firearm-associated murder rates playing with county-top research out of 1980 so you’re able to 2009

Gius (2014) tested the effect away from should-question guidelines for the firearm-associated murder rates playing with county-top research out of 1980 so you’re able to 2009 Just like the noted earlier, none research presented one to their model prices had been faster biased than just those who work in Aneja, Donohue, and you may Zhang…