Category Archives: Climate change

Do We Need a Renewables Policy?

Question: If an effective carbon tax or cap-and-trade policy is in place to limit greenhouse gas emissions, is there any point in having a separate policy to promote renewable energy sources? I have read several times recently that the answer … Continue reading

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Some Economics of a Carbon Tax

A carbon tax can be an effective policy for reducing emissions.  It also affects output and social welfare. Like many economists I am fond of diagrams.  I feel I understand a piece of economics when I see it expressed in … Continue reading

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Mandatory Emissions Reporting – An Evaluation

The UK is to require quoted companies to report on their greenhouse gas emissions (1).  This modest measure raises a number of economic issues. Why is the government introducing this requirement?                                                              It believes that mandatory reporting will complement pricing instruments … Continue reading

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Perspectives on Coal

Is coal the fuel of the past, the present or the future?  The answer may depend on where you are. You rarely hear about coal now in the UK.  Before World War 1 the UK produced almost 300 million tonnes … Continue reading

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