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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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)
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1800: Tallow candle 5.4 hours
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. http://www.nber.org/chapters/c6064.pdf
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 )
OurWorldInData.org
1880: Kerosene lamp 13 minutes
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. http://www.nber.org/chapters/c6064.pdf
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 )
OurWorldInData.org
1960: Filament bulb 3.6 seconds
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. http://www.nber.org/chapters/c6064.pdf
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 )
OurWorldInData.org
1992: Compact fluorescent bulb 0.4 seconds
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. http://www.nber.org/chapters/c6064.pdf
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 )
OurWorldInData.org
today: LED less than 0.1 seconds
Nordhaus (1997) – ‘Historical Reassessments of Economic Progress’. In ‘The Economics of New Goods’. http://www.nber.org/chapters/c6064.pdf
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 )
OurWorldInData.org
Productivity = What you get out Work you put in
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“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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