Questions tagged [economics]

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Will bitcoin help us to decentralise our communities and help us live a more sustainably

From a little bit of research on bitcoin, I have discovered that they remove the centralised middle man from individuals transactions ie. a Bank, PayPal, ect.. and make it easier to transfer money ...
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Does a PV panel take more energy to build than it generates in its lifetime? [duplicate]

Industrial energy costs are $1 per million BTU (MMBTU) or 300kWh, or $3*10^-6 per watt hour (Wh). http://www.eia.gov/consumption/manufacturing/ Solar has 1 kg of 9n silicon per 100W, at $20/kg. ...