To mitigate climate change, some governments opt for instruments focused on investment, like performance standards or feebates, instead of carbon prices. We compare these policies in a Ramsey model with clean and polluting capital, irreversible investment and a climate constraint. Alternative...

Most CO2 abatement policies reduce the demand for fossil fuels and therefore their price in international markets. If these policies are not global, this price decrease raises emissions in countries without CO2 abatement policies, generating carbon leakage. On the other hand, if the countries...

The scientific community is now developing a new set of scenarios, referred to as Shared Socio-economic Pathways (SSPs) to replace the SRES scenarios. To be used to investigate adaptation and mitigation, SSPs need to be contrasted along two axes: challenges to mitigation, and challenges to...

Countries have pledged to stabilize global warming at a 1.5 to 2êC increase. Either target requires reaching net zero emissions before the end of the century, which implies a major transformation of the economic system. This paper reviews the literature on how policymakers can design climate...

Decision makers facing abatement targets need to decide which abatement measures to implement, and in which order. Measure-explicit marginal abatement cost curves depict the cost and abating potential of available mitigation options. Using a simple intertemporal optimization model, we...

This paper finds that it is optimal to start a long-term emission-reduction strategy with significant short-term abatement investment, even if the optimal carbon price starts low and grows progressively over time. Moreover, optimal marginal abatement investment costs differ across sectors of the...

Latin America and the Caribbean must respond to the challenge of climate change while making progress with other sustainable development goals. How much will it cost to meet climate change goals in this context? This work reviews the evidence on the costs of meeting the goals the goals of the...

Eleven countries in Latin America and the Caribbean have committed to achieving net-zero emissions by 2050. Changes in the food system are critical to achieving these carbon neutrality goals, as agriculture and the resulting land use changes are responsible for almost half of the greenhouse gas...

The global low-carbon energy transition driven by technological change and government plans to comply with the Paris Agreement makes future gas demand, prices, and associated public revenues uncertain. We assess the prospects for natural gas production and public revenues from royalties and...

Decarbonizing road transport through electrification, public transport, and walking and biking can increase productivity and reduce expenses thanks to reduced traffic and energy efficiency gains. However, governments face losing fuel and vehicle tax revenue. We develop a method to assess options...