I study the feasibility of stringent targets for stabilizing ambient greenhouse gas concentrations. Climate policy has diminishing returns, and there is therefore a maximum to what can be achieved. The success of climate policy is hampered if the terrestrial biosphere turns from a carbon sink to...

We impute a global social welfare function that is consistent with the burden sharing in the Kyoto Protocol and in two proposals for a post-Kyoto treaty. The Kyoto Protocol favored the EU. The Frankel proposal for a post-Kyoto treaty continues the favorable treatment of the EU, while the EU...

It is well-known that the discount rate is crucially important for estimating the social cost of carbon, a standard indicator for the seriousness of climate change and desirable level of climate policy. The Ramsey equation for the discount rate has three components: the pure rate of time...

The Intergovernmental Panel on Climate Change has a monopoly on the provision of climate policy advice at the international level and a strong market position in national policy advice. This may have been the intention of the founders of the IPCC. I argue that the IPCC has a natural monopoly, as...

We use a model of international and domestic tourist numbers and flows to forecast tourist numbers and emissions from international tourism out to 2100. We find that between 2005 and 2100 international tourism grows by a factor of 12. Not only do people take more trips but these also increase in...

In this paper we use panel data regressions to investigate the determinants of vegetarianism in various countries over time. Using national level aggregate data, we construct a panel consisting of 116 country-time observations. We find that there is a negative relationship between income and...

The paper discusses the costs and benefits to be expected by least-developed and low-income (‘vulnerable’) economies if they accede to the WTO, the impact of current debates about WTO reform on vulnerable economies, and measures to make it easier for vulnerable economies to accede to and...

The paper discusses the costs and benefits to be expected by least-developed and low-income (‘vulnerable’) economies if they accede to the WTO, the impact of current debates about WTO reform on vulnerable economies, and measures to make it easier for vulnerable economies to accede to and...