114. How to Think About Guns

Episode Summary

Executive Summary: The episode features economist Steve Levitt reflecting on U.S. gun violence, especially mass shootings after Newtown. He argues that while gun crime is real and harmful, many proposed gun-control measures are unlikely to materially reduce it. Levitt favors policies that target gun use by offenders, notes the importance of mental illness and deterrence, and emphasizes deeper social solutions over symbolic legislation.

Main Topics: Mass shootings in context (Priority: 5/5): Levitt says mass shootings are horrifying but statistically small relative to overall gun violence, and he is more struck by how infrequent such events are than by their occurrence. Why U.S. gun violence is high (Priority: 5/5): He attributes high American gun violence partly to the country having far more guns than other rich nations and more crime overall. Limits of gun buybacks and simple gun control (Priority: 5/5): Levitt argues gun buybacks are largely symbolic and ineffective because they attract low-risk, unwanted, often inoperable guns, not crime guns. Policy that may work: punish gun use (Priority: 4/5): He says laws adding severe penalties when crimes are committed with guns can reduce gun homicides by deterring use, even if some violence shifts to knives. Mental health and institutionalization (Priority: 4/5): Levitt suggests revisiting how society handles severe mental illness as one possible, though costly and imperfect, way to reduce rare catastrophic shootings. Guns as a disruptor of violence dynamics (Priority: 4/5): Using Jeff Canada’s framework, Levitt explains that guns alter conflict by making outcomes less predictable, which can increase violence rather than deter it. Freedom, repugnance, and political realism (Priority: 4/5): He argues gun debate is shaped by emotion, historical accident, and political infeasibility, and that listeners should focus on deeper causes rather than current rhetoric.

Key Arguments: Mass shootings are rare relative to total gun deaths, so they should be understood in the broader context of overall gun violence rather than treated as the dominant problem. The U.S. has more gun violence than peer nations largely because it has far more guns and more crime generally than other rich countries. Gun buybacks are ineffective because they mostly recover guns that are already unwanted or unusable, not the weapons most likely to be used in crimes. Durable guns mean policies aimed only at new guns cannot meaningfully reduce harm if the existing stock of guns remains untouched. Sentencing enhancements for committing crimes with guns can work because they alter incentives and deter gun use. Mental health reporting and gun databases may backfire by discouraging people from telling therapists the truth. Gun possession changes conflict by reducing certainty of outcome; this can make violence more likely, not less, because anyone with a gun can beat anyone without one. The fundamental solution lies in changing people, norms, and parenting/empathy rather than relying on narrow weapon-focused policies. Many proposed gun-control measures are politically attractive but unlikely to have a real effect given the size of the problem and the current political climate.

Data Points: Gun murders per year: roughly 11,000 - Annual U.S. gun murders mentioned in the opening discussion of overall gun violence. Gun suicides per year: nearly 20,000 - Annual U.S. gun suicides cited alongside gun murders. Mass shootings since 1982: 62 - Mother Jones database count used to frame the frequency of mass shootings. Mass shooting fatalities since 1982: 513 - Total fatalities from those mass shootings in the Mother Jones database. Average mass shootings per year since 1982: about 2 - Derived from the database summary of mass shootings over 30 years. Average mass-shooting fatalities per year since 1982: 16.5 - Average annual fatalities from mass shootings in the database. Mass shootings in the past 10 years: about 3 per year - A shorter-run trend mentioned to show a slight increase. Mass-shooting fatalities in the past 10 years: 26 fatalities per year - Average fatalities from mass shootings over the last decade. 2012 mass shootings: 7 shootings with 72 fatalities - 2012 cited as an unusually bad year for mass shootings. Homicide decline from peak: almost 50% to more than 50% down - Levitt notes that U.S. homicides have fallen substantially from their peak. Gun ownership stock: about 300 million guns - Used to argue that policies must deal with the existing stock of firearms. Handgun lethality: about once every 10,000 years - Levitt’s estimate for how often a particular handgun would kill a person. Buyback effectiveness: about 0.0001 lives saved - Levitt’s estimate of the effect of a typical gun buyback, described as optimistic. Relative child risk: swimming pools are 100 times more likely to kill a child than a particular gun - Used to illustrate risk misperception among parents.

Pivotal Quotes: "I'm always shocked by is how few insane people are out there doing mass murders, not how many are out there doing mass murders." — Steve Levitt: Levitt explains his reaction to mass shootings and why he is less surprised than many others. "Gun buybacks are one of the most ineffectual public policies that have ever been invented in the history of mankind." — Steve Levitt: His blunt assessment of buyback programs and why he thinks they fail. "Anyone with any sense looks at the current political climate... and accepts the fact that none of these proposals are going to have any real impact at all." — Steve Levitt: Levitt’s conclusion about the limits of contemporary gun-control proposals.

Implications: Listeners are encouraged to think beyond symbolic gun-control debates and focus on deeper drivers of violence, deterrence-based policy, and long-term social change. The episode suggests near-term legislative fixes are limited, while prevention must target people, norms, and severe mental illness.