Interesting that the report only mentions incarceration rates at the end, but doesn't seem to give any credence to the idea that 'permanently' locking everyone up reduces crime. The incarceration rate in the US is unbelieveably high, and started exploding in the late 80s. Increasing the incarcerated population fivefold isn't considered to have had a causal effect on the decrease in crime across the board? Come on, pu…
Does anyone have any solid evidence that the jump in incarceration was not the driver of the decline in crime?
Maybe the Levitt paper addresses this. I'll check it out.