The math is essentially correct, but it oversimplifies some things, and it skips a number of factors.<p>Larry Summers recently shared his opinion on the topic <a href="https:&#x2F;&#x2F;www.washingtonpost.com&#x2F;opinions&#x2F;the-global-economy-is-in-serious-danger&#x2F;2015&#x2F;10&#x2F;07&#x2F;85e81666-6c5d-11e5-b31c-d80d62b53e28_story.html" rel="nofollow">https:&#x2F;&#x2F;www.washingtonpost.com&#x2F;opinions&#x2F;the-global-economy-i...</a>.