Since the publication of the Stern Review, economists have started to ask more normative questions about climate change. Should we act now or tomorrow ? What is the best theoretical carbon price to reach long-term abatement targets? How do we discount the long-term costs and benefits of climate...

Fiscal instruments are potentially among the most effective, and cost-effective, options for addressing externalities related to poor air quality, urban road congestion, and greenhouse gases. This paper takes a case study, focused on Mauritius (a pioneer in the use of green taxes) to illustrate...