There is really a bit of a scandal brewing in economic policy circles - it seems that an essential Reinhart and Rogoff result cannot be replicated. explains the basic challenge:

You have possibly heard that nations using a high debt:GDP ratio endure from slow financial development. The certain number 90 % has been invoked frequently. That is all thanks to a study performed by Carmen Reinhardt and Kenneth Rogoff for their book .

A group of researchers in the University of Massachusetts, Amherst have - in fact with the information evaluation Reinhart and Rogoff undertook.

First, Reinhart and Rogoff selectively exclude years of high debt and average growth. Second, they use a debatable technique to weight the nations. Third, there also appears to be a coding error that excludes high-debt and average-growth countries. All three bias in favor of their outcome, and devoid of them you don't get their controversial outcome iwc replicas watches .

Coding errors? Academic papers? Who cares? What is going on here? Well Mike Konczal argues that the Reinhart and Rogoff 90 per cent debt cut-off outcome may be the intellectual basis for so-called . swiss replica watches rolex

. fake iwc watches for sale iwc replika . all I can hope is the fact that future historians note that 1 on the core empirical points supplying the intellectual foundation for the worldwide move to austerity inside the early 2016s was determined by somebody accidentally not updating a row formula in Excel.

Here is Paul Krugman making :

The intellectual edifice of austerity economics rests largely on two academic papers that have been seized on by policy makers, without having ever possessing been correctly vetted, because they mentioned what the Quite Significant Individuals wanted to hear.
The other paper, which has had immense influence - largely mainly because within the VSP world it really is taken to have established a definitive outcome - was on the unfavorable effects of debt on growth. Pretty immediately, everyone "knew" that terrible things take place when debt passes 90 % of GDP.

So Reinhart and Rogoff have and Krugman responds towards the response .

So when all the dust and feathers have settled what will we have decided? The Reinhart and Rogoff outcome is fragile and they will be somewhat embarrassed. Anything else? That I'm not so certain about. As indicates:

The "case for austerity" didn't rest much on R&R in the 1st place, rather around the notion that the bills have to become paid ..
The most interesting question to me can be a rather squirrelly and subjective 1:how should this episode change the relative ratios of what I read? Should I in fact read fewer quantitative economics papers, instead (at the margin, of course) preferring more narrative history? This is not the very first time that an extremely influential major empirical result has been overturned or at least thrown into severe doubt.

The search for a "magic number" is likely to cause disappointment - we can still believe that excessive public debt is detrimental to economic prosperity even if there is no iron-clad rule of when the benefits to public debt are exhausted. Having a "magic number" is far too deterministic to become good economic policy.

Update:The Atlantic has a nice summary .

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