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A grad student does a research paper finding that the 90% threshold was improperly calculated in prior economic models. Thus, his model shows that the threshold could be substantially higher.
This means Krugman is correct?? You believe one academic paper absolutely wipes out the models, and corresponding calculations, of the rest of the economists?
Posted by retiredtraveler
The numbers that grad student used were given directly to him by the authors of the study and that's how he found the error. Using those same numbers, other economists have since verified that the grad student was correct......and I notice that Rogoff-Reinhart have not disputed the results. If that grad student had made an error, you can take it to the bank that Rogoff-Reinhart would be yelling about it.