 He also stated that Gladwell's theory does not square with much of his research into human social dynamics performed in the last ten years.Economist Steven Levitt and Gladwell have a running dispute about whether the fall in New York City's crime rate can be attributed to the actions of the police department and "Fixing Broken Windows" (as claimed in "The Tipping Point").In "Freakonomics", Levitt attributes the decrease in crime to two primary factors