Anthropogenic greenhouse gas emissions are changing the energy balance of our planet. Various climatic feedbacks make the resulting warming over the next decades and centuries highly uncertain. We quantify how this uncertainty changes the optimal carbon tax in a stochastic dynamic programming...

Impact assessment models are a tool largely used to investigate the benefit of reducing polluting emissions and limiting the anthropogenic mean temperature rise. However, they have been often criticised for suggesting low levels of abatement. Countries and regions, that are generally the actors...

We set up a model with intergenerational bequest transfers and climate damage on the wealth of heterogeneous households. We show that, under credit market imperfections and depending on wealth distribution across households, a balanced budget climate policy may widen the wealth inequality gap...

In 2018, an agreement between the key EU institutions - the Commission, the European Parliament, and the European Council - was reached after a long-lasting discourse over the 2030 EU climate and energy policy package. This paper offers a comprehensive assessment of the EU package, with its...

As an example of supranational climate policy coordination for sectors not covered by carbon trading, the European Effort Sharing Decision set national targets for emission reductions for the time period 2013-2020. Member States were free to decide the national policies to implement to achieve...

In its first Nationally Determined Contribution (NDC) to the Paris Agreement, the Philippines committed to a GHG emissions reduction/avoidance of 75 percent for the period 2020 to 2030, referenced against a projected business-as-usual cumulative emission for the same period. However, the numbers...

The extent of future climate change is a policy choice. Using an integrated climate-economy assessment model, we estimate climate policy curves (CPCs) that link the price of carbon dioxide (CO2) to subsequent global temperatures. The resulting downward sloping CPCs quantify the inverse...

The COP27 (United Nations Climate Change Conference) in November 2022 once again highlighted the fact that countries are starting from different positions when it comes to emissions and climate policy. This Weekly Report classifies countries into representative profiles based on their past,...

We develop a dynamic general equilibrium model to quantify the interaction between climate policy, industry dynamics, and the elasticity of substitution between clean and dirty energy in the economy. The model incorporates empirical observations that firms differ substantially in their potential...

The risk of opposition from the population increasingly plays a role in choosing the climate policy measures to achieve the objective to substantially reduce greenhouse gas emissions. In Norway, there is a long-standing cross-party consensus that the development of new technologies will be...