The Reinhart-Rogoff analysis that predicted countries with public debt higher than 90% of GDP will be subject to years of lower growth rates than countries with lower debt has been under scrutiny and attack for its flawed math, data omissions, and even causal attribution. Miles Kimball, along with student Yichuan Wang, sifted through the data and calculations associated with this finding. Kimball says they found “not even a shred of evidence” to support the Reinhart-Rogoff position. His and Wang’s work is available on [Quartz,](http://qz.com/88781/after-crunching-reinhart-and-rogoffs-data-weve-concluded-that-high-debt-does-not-cause-low-growth/) Kimball’s blog.

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