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Comments on: GDP in three different charts http://www.tvhe.co.nz/2015/02/25/gdp-in-three-different-charts/ The Visible Hand in Economics Fri, 10 Apr 2015 09:15:33 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: Economist http://www.tvhe.co.nz/2015/02/25/gdp-in-three-different-charts/#comment-43733 Fri, 27 Feb 2015 01:59:00 +0000 http://www.tvhe.co.nz/?p=12571#comment-43733 In reply to Economist.

Darn, here’s the graph…

]]> By: Economist http://www.tvhe.co.nz/2015/02/25/gdp-in-three-different-charts/#comment-43732 Fri, 27 Feb 2015 01:58:00 +0000 http://www.tvhe.co.nz/?p=12571#comment-43732 In reply to jamesz.

Thanks, although I think there’s still a couple of problems with the fourth graph. Most importantly, I think you’ve used aggregate GDP rather than per capita which, given the population explosion over the last 150 years, would be no surprise if it was growing exponentially. Secondly, I understand why you’ve logged both axes but it doesn’t really show the claimed blip that is the last 300 years. However, I’d suggest a graph like this would suffice – it is annualised growth rates of per capita GDP and, if we assume that the historical estimates are correct, it shows that there was indeed precious little growth prior to 1800.

]]> By: jamesz http://www.tvhe.co.nz/2015/02/25/gdp-in-three-different-charts/#comment-43731 Wed, 25 Feb 2015 09:26:00 +0000 http://www.tvhe.co.nz/?p=12571#comment-43731 In reply to Economist.

Good point. I did try that but it’s such a blip that it almost looks as if you’ve inserted a right hand axis. But I did manage to find a way to graph the last million years of growth and updated the post. Hope you enjoy 😉

]]> By: Economist http://www.tvhe.co.nz/2015/02/25/gdp-in-three-different-charts/#comment-43730 Wed, 25 Feb 2015 00:37:00 +0000 http://www.tvhe.co.nz/?p=12571#comment-43730 From the above graphs, there is no way of telling whether the last 300 years have been a “blip” as you claim. The first graph really needs to be put on a logarithmic scale to confirm that the growth over last 300 years is an outlier – especially given your own statement that the growth is “exponential”.

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