The Wonk Salon, November 7, 2011

Firearms Flow from States with Weak Gun Laws to States with Stronger Gun Laws
National Bureau of Economic Research
Gun-tracing data shows that guns flow from states with weak gun-control laws to states with stronger laws, creating cross-state externalities — a finding that strengthens the case for tighter federal regulation.

Public Transit as an Emission Reduction Strategy
Victoria Transport Policy Institute
Critics say transit is an energy-inefficient mode of transportation because it uses as much energy per passenger-mile as driving. But that critique does not consider how transit supports energy savings through transit-oriented development and transportation pricing reforms.