A pair of new studies raise questions as to whether sex offender registries and community notification laws actually reduce recidivism of sex offenders, or even lead to lower sex crime rates overall. Both are published in the University of Chicago’s Journal of Law and Economics.
The first study by Jonah Rockoff of Columbia Business School, and J.J. Prescott, a law professor at the University of Michigan, parses out the effectiveness of the two basic types of sex offender laws. While they find that the registration of released sex offenders is associated with a 13% decrease in crime from the sample mean, public notification laws proved to be counterproductive, and led to slightly higher rates of sex crime because of what the authors refer to as a “relative utility effect”:
Our results suggest that community notification deters first-time sex offenders, but may increase recidivism by registered offenders by increasing the relative attractiveness of criminal behavior. This finding is consistent with work by criminologists showing that notification may contribute to recidivism by imposing social and financial costs on registered sex offenders and, as a result, making non-criminal activity relatively less attractive.
…[C]onvicted sex offenders become more likely to commit crime when their information is made public because the associated psychological, social, or financial costs make crime more attractive.
The results of a new study by public health researchers at Columbia University and Oxford University forecasts that by 2030, there will be an additional 65 million obese adults living in the U. S., and 11 million more in the U.K. That would bring the U.S. obese population up from 99 million to 164 million, roughly half the population. The findings suggest that as a result, medical costs associated with the treatment of preventable diseases (diabetes, heart disease, stroke, cancer) will increase somewhere between $48 billion and $66 billion per year, in the U.S. alone
The study, published in the Aug. 27 issue of The Lancet, was led by Y. Claire Wang of Columbia’s Mailman School of Public Health.
I recently finished the Knight-Bagehot Fellowship at Columbia. It’s a one-year program that lets business journalists take classes across the university to “enhance their understanding and knowledge of business, economics and finance.” One of the program’s perks, and there are many (including dinners with the likes of Paul Volcker, Jamie Dimon, and Joseph Stiglitz), is that you can get an M.S. degree from Columbia’s journalism school by taking just six additional credits. Considering it usually takes 30 credits, and about $53,000, to get one of those, it’s a pretty good deal.
Back in 2006 I got my M.S. from the J-school, the old-fashioned way. So during my Bagehot tenure, I didn’t take a single additional class there. And yet, come graduation day, they gave me a second diploma. Expecting just the certificate in economics and business journalism that comes with the fellowship, I was too stunned to say anything as they handed it to me up on stage, and I certainly wasn’t going to give it back. But what the heck am I going to do with two degrees from the same school?
Columbia sociologist Shamus Khan went back to teach at his alma mater, the prestigious St. Paul’s School, nine years after graduating. He’s written a book about how society’s elite are brought up, and what behaviors they carry through life.