This paper explains how, in the context of incomplete coordination among all countries, unilateral policies that might at first sight seem pro-green could actually turn out to harm the global environment. The free-riding motives and the difficulty of reaching an effective international...

Background paper prepared for the October 2020 IMF World Economic Outlook. This paper provides a detailed presentation of the simulation results from the October 2020 IMF World Economic Outlook chapter 3 and an additional scenario with carbon pricing only for comparison with the comprehensive...

The paper compares the effects of market-based and command-and-control climate policies on the direction of technical change and the prevention of environmental disasters. Drawing on the model proposed in Acemoglu et al. (2012, American Economic Review), we show that market-based policies...

The paper compares the effects of market-based and command-and-control climate policies on the direction of technical change and the prevention of environmental disasters. Drawing on the model proposed in Acemoglu et al. (2012), we show that market-based policies (carbon taxes and subsidies...

The employment impact of environmental policies is an important question for policy makers. We examine the effect of increasing the stringency of environmental policy across a broad set of policies on firms’ labor demand, in a novel identification approach using Worldscope data from 31...

This paper empirically studies how emission pricing affects capital replacement and adoption of embodied environmental technology. A pricing policy encourages firms to accelerate retirement of old capital assets and replace them with newer more efficient assets, but this may crowd out...

The United States has long suffered from a schizophrenia about energy policy. The importance of one of the factors in energy policy, the environment, has never been formally defined. Climate change adds another distinct layer to this complexity, as neither energy policies nor environmental...

This article explains why policy makers should seriously consider substantial early reductions in greenhouse gas emissions as a part of any post-Kyoto framework, and sets out suggested elements of a framework for early action in a post-Kyoto agreement. Substantial early reductions are needed...

In the spring of 2007, the U.S. Supreme Court ruled in Massachusetts v. EPA that the U.S. Environmental Protection Agency (EPA) must promulgate automobile tailpipe greenhouse gas emission standards under Section 202 of the Clean Air Act (CAA). American environmentalists hailed the Supreme...

This article explains the basic elements of climate change law, with a particular focus on those issues that promise to be important for a considerable time as well as the major factors that are driving the development of this law. The emerging law of climate change is being constructed at the...