Dear Analyst #40: A spreadsheet error from two Harvard professors leading to incorrect economic policies after 2008 recession

It’s 2010, and the world is coming out of recession. Two Harvard professors–one of whom is a former economist for the IMF and chess Grandmaster–publish a paper suggesting that a country with a high public debt-to-GDP ratio of over 90% is associated with low economic growth. Turns out the Excel model the professors use is […]