While anti-corruption researchers long have argued the corrosive power of corruption, its political impact has never before been measured globally.
By examining the linkage between corruption measures and peaceful societies, the research by the Institute for Economics and Peace (IEP) based in Sydney finds strong statistical evidence that high and rising levels of corruption can undermine security, and that only small increases can cause civil unrest.
"The most striking aspect of this relationship is that there is a tipping point," said Aubrey Fox, U.S. executive director for the Australia-based group.
"This is enormously important for countries, because if you can, through incremental efforts, knock corruption below that tipping point and control it, you can avert the most difficult consequences," he said in a telephone interview. ...
bth: unfortunately I accidently lost the link to the original article. I would wonder if it isn't just the absolute CPI index score but a change in it that has impact.