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OurWorldInData.org
October 15th, 2015
WIRED2015 – London
Max Roser – Institute for New Economic Thinking at the Oxford Mar...
OurWorldInData.org
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2: Candles & Books
(How incomes grow)
OurWorldInData.org
How long do you have to work to afford 1 hour of reading light?
(1,200 lumen hours; 80 watts light bulb)
OurWorldInData.org
1800: Tallow candle
5.4 hours
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘Th...
OurWorldInData.org
1880: Kerosene lamp
13 minutes
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘T...
OurWorldInData.org
1960: Filament bulb
3.6 seconds
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘...
OurWorldInData.org
1992: Compact fluorescent bulb
0.4 seconds
Nordhaus (1997) – ‘Historical Reassessments of Economic Prog...
OurWorldInData.org
today: LED
less than 0.1 seconds
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ...
OurWorldInData.org
Productivity =
What you get out
Work you put in
OurWorldInData.org
“The price of anything is the amount of life you exchange for it”
– Henry David Thoreau
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3: Prosperity and poverty
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October 15 wired conference (slide share)

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The slides for my WIRED 2015 talk. The talk is split in 3 chapters: My aim for the first chapter was to show what growth means for you – having more possibilities to lead the life you want; having a richer life. Then in the second bit I show how growth is possible – by increasing productivity (Or more poetically, by 'exchanging less of your life for the things you need' as Thoreau put it). In the third part I show how incomes are changing around the world. The world is still extremely unequal – much more unequal than any individual country – but the trend to more inequality has been reversed recently and the world is now becoming more equal. The most important global trend of the last 2 centuries is the decline of extreme poverty – this is shown in the key slide of this short presentation.

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October 15 wired conference (slide share)

  1. 1. OurWorldInData.org October 15th, 2015 WIRED2015 – London Max Roser – Institute for New Economic Thinking at the Oxford Martin School, University of Oxford. Lifting the World out of Poverty OurWorldInData.org
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  11. 11. OurWorldInData.org 2: Candles & Books (How incomes grow)
  12. 12. OurWorldInData.org How long do you have to work to afford 1 hour of reading light? (1,200 lumen hours; 80 watts light bulb)
  13. 13. OurWorldInData.org 1800: Tallow candle 5.4 hours Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. How long do you have to work to afford 1 hour of reading light? (1,000 lumen hours; ±80 watt light bulb for 1 hour )
  14. 14. OurWorldInData.org 1880: Kerosene lamp 13 minutes Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. How long do you have to work to afford 1 hour of reading light? (1,000 lumen hours; ±80 watt light bulb for 1 hour )
  15. 15. OurWorldInData.org 1960: Filament bulb 3.6 seconds Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. How long do you have to work to afford 1 hour of reading light? (1,000 lumen hours; ±80 watt light bulb for 1 hour )
  16. 16. OurWorldInData.org 1992: Compact fluorescent bulb 0.4 seconds Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. How long do you have to work to afford 1 hour of reading light? (1,000 lumen hours; ±80 watt light bulb for 1 hour )
  17. 17. OurWorldInData.org today: LED less than 0.1 seconds Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. How long do you have to work to afford 1 hour of reading light? (1,000 lumen hours; ±80 watt light bulb for 1 hour )
  18. 18. OurWorldInData.org Productivity = What you get out Work you put in
  19. 19. OurWorldInData.org “The price of anything is the amount of life you exchange for it” – Henry David Thoreau
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  27. 27. OurWorldInData.org 3: Prosperity and poverty
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