Carbon dioxide removal from the atmosphere is becoming an important option to achieve net zero climate targets. This paper develops a welfare and public economics perspective on optimal policies for carbon removal and storage in non-permanent sinks like forests, soil, oceans, wood products or...

We study optimal climate policy in a global economy where regions differ in wealth and climate vulnerability. Carbon emissions from production lead to output losses, and there is a technology for emissions absorption. We provide an aggregation result: the model with heterogeneity can be cast...

The climate targets defined under the Paris agreement of limiting global temperature increase below 1.5 or 2°C require massive deployment of low-carbon options in the energy mix, which is currently dominated by fossil fuels. Scenarios suggest that Carbon Capture and Storage (CCS) might play a...

In this paper, we use an integrated assessment model to examine the implications of not recognizing, and partially recognizing forest carbon in climate policy. Specifically, we investigate the impact of an asymmetric carbon policy that recognizes emissions from fossil fuels while ignoring...

We develop and implement a new method for identifying wasted subsidies, and use it to provide systematic evidence on the misallocation of carbon offsets in the Clean Development Mechanism - the world's largest carbon offset program. Using newly constructed data on the locations and...

We analyze the price dynamics of European allowances and international carbon credits in the second phase of the European carbon market. We develop and use a model combining fundamental drivers associated with the demand for quotas by installations and risk-return considerations related to the...

Congress is likely to consider domestic climate change legislation during 2009, with a cap-and-trade system continuing to draw support from the Obama Administration and many leaders in Congress. Yet cap-and-trade regulations would take years for EPA to develop and implement, the desired price...

To reach climate neutrality, carbon emissions from the production of basic materials need to be significantly reduced. For governments' support measures to be consistent with their World Trade Organization obligations, they need to be compatible with the WTO's Agreement on Subsidies and...

A sub-global emissions trading scheme (ETS) risks harming competitiveness and causing carbon leakage. These concerns cast doubt on the efficiency and environmental effectiveness of unilateral climate policies. ETSs implemented thus far include measures to address competitiveness and leakage...

We argue that a global carbon price is the only way to effectively tackle free riding in international climate policy, required to substantially reduce greenhouse gas emissions. We briefly review the main reasons behind the essential role of carbon pricing, address common misunderstandings and...