However, there are many books that use mathematics and game theory to describe how Rudy's techniques dramatically affected all kinds of crime over a period of four years. Will cite some later if you need further info.However, I saw this change in crime happen in NYC, 1990-2000.That it involves a confluence of fortuitous factors I have no doubt. That Rudy's change in policing was a critical factor for the short-term changes, I also have no doubt.
Paris changed in the same period. I lived there in the 80s. It was a nasty city. But now, the French are pleasant and happy. The change is remarkable.
Something happened in the late 90s. People mellowed out. Maybe a new generation took over. Who knows?
But it wasn't due to Guliani. yrs, andreaswww.andreas.com
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