Carlo Carraro, Valentina Bosetti, Massimo Tavoni, 01 October 2008

Policymakers seeking to fight global warming need to reach an international agreement for post-2012 climate change policy, but developing countries seem unlikely to immediately participate. This column explains the importance of full global participation in reducing greenhouse gas emissions and proposes means of inducing developing countries, most notably China, to participate in an international agreement.

Lans Bovenberg, Herman Vollebergh, 17 September 2008

The EU plans to auction permits for the next phase of emissions trading, rather than giving them away for free as in the past. This column explains why the new scheme is a significantly better policy and proposes compensation measures to redress the complaints of industries opposed to the new climate change policy. Harmonised EU action may be required.

Simon Evenett, 01 August 2008

The breakdown of the Doha Round this week makes a deal implausible for another year or two. This column argues that this is an opportunity for world trade powers to identify ways to adapt the WTO to the needs of the 21st Century. Although difficult, the outcome of such talks could hardly be worse than the fear-driven, adrenalin rush that the WTO membership embarked upon seven years ago in Doha.

Ben Lockwood , John Whalley, 28 July 2008

Business worries that leading on climate change means lagging on competitiveness and propose linking carbon-cutting policies to tariffs. This column argues that lessons from the 1960s debate over VAT rates and border adjustments suggest that carbon-linked border adjustments may be ineffective and unnecessary.

Robert Stavins, 18 July 2008

Robert Stavins of Harvard University talks to Romesh Vaitilingam about what should follow the Kyoto Protocol – the potential architectures for a new international agreement on tackling global climate change; lessons from previous international agreements on a range of issues; and the main stumbling blocks to an agreement. The interview was recorded at the American Economic Association meetings in New Orleans in January 2008.

William Cline, 18 July 2008

William Cline of the Peterson Institute for International Economics talks to Romesh Vaitilingam about climate change – in particular, its impact on developing countries; what economists bring to analysis of carbon mitigation technologies and policies; and the importance of an international agreement on global warming. The interview was recorded at the American Economic Association meetings in New Orleans in January 2008.

Geoffrey Heal, 09 June 2008

One the world’s leading environmental economists argues that the economic case for prompt and powerful measures to mitigate climate changes is overwhelming once discounting and equity concerns are properly modelled.

Karin S. Thorburn, 16 April 2008

US climate change policy relies on corporations voluntarily reducing their greenhouse gas output. But recent research shows that pledging to cut carbon is bad for business, which is why so few firms take such voluntary measures. Reducing carbon emissions will require regulation.

Paul Klemperer, 01 April 2008

Serious scientists worry that feedback effects could - beyond some unknown “tipping point” - cause runaway warming with unforeseeable outcomes that would look like bad science fiction from today’s perspective. The continuing scientific uncertainty should make us more concerned, not less.

Hans Gersbach, 11 February 2008

Tackling climate change is difficult because it requires international cooperation to address global externalities. This column proposes a global refunding system, which would provide incentives for emissions reductions while allowing member countries to choose their carbon tax rates.

Carlo Carraro, Valentina Bosetti, Emanuele Massetti, Massimo Tavoni, 24 January 2008

If the world wants to stabilise atmospheric greenhouse gases at 550 parts per million, massive changes are required, especially in the energy sector. This article discusses means and costs of drastically reducing carbon emissions.

Paul Klemperer, 13 December 2007

No climate-change strategy will work unless it is consistent with developing countries' continued growth. So curbing emissions requires cheaper clean energy than is currently available. And that requires innovation.

Ralf Martin, 12 December 2007

A new climate change prediction market has been launched. Here are the details on motivation and participation.

Nicholas Stern, 30 November 2007

Targets and trading must be at the heart of a global agreement to reduce greenhouse gas emissions, according to Sir Nicholas Stern delivering the Royal Economic Society’s 2007 annual public lecture today, ahead of next week’s world summit on climate change in Bali.

Hans-Werner Sinn, 31 October 2007

EU leaders don’t determine the pace of climate change. Demand reduction by some consumers only lowers fossil fuel consumption to the degree that resource owners decide to curtail their supply. Ultimately, the volume of fossil fuel burnt globally depends upon the rate of extraction and this is in the hands of oil producers who care about carbon’s intertemporal price path. Policies aimed at lowering carbon demand without concern for the price path of carbon may backfire.

Paul Klemperer, 03 August 2007

Three critical questions need to be answered by scientists, sociologists and philosophers to get climate change policy right.

Jeffrey Frankel, 25 June 2007

Quantitative emission targets for the 21st century must be set sequentially, a decade at a time, within a long-term framework. A good analogy is the GATT, which produced 50 years of trade liberalisation, the specifics of which the original signers could only have guessed.

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