This paper reviews fundamental concepts in environmental economics and explores theoretical results regarding the choice of the key policy instruments for the control of externalities: taxes, subsidies and marketable permits. The paper explains why today market mechanisms are increasingly being...

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During the financial crisis, G20 countries compelled tax havens to sign bilateral treaties providing for exchange of bank information. Policymakers have celebrated this global initiative as the end of bank secrecy. Exploiting a unique panel dataset, our study is the first attempt to assess how...

The lowering of trade barriers under the successive reforms of the pillar I of the Common Agricultural Policy, the opening of the commodity markets to an ever greater number of financial actors and the uncertainty created by climate change, amplify both production risk and market risks for...

This paper considers how environmental policies should respond to macroeconomic downturns. It first explores the implications of the global economic downturn of 2008-09 for environmental policies, focusing in particular on the example of action against climate change. The arguments for and...

We construct two simple examples that help to clarify the role of a key assumption in the analysis of price or quantity controls of greenhouse gases in the presence of uncertain costs. Traditionally much has been made of the fact that greenhouse gases are a stock pollutant, and that therefore...

Emissions trading markets have been touted as the most efficient mechanism to achieve environmental goals at least cost. Whether in the form of voluntary markets or in a mandatory framework like in the first phase of the European Union (EU) Emission Trading Scheme (ETS), the regulator sets a cap...

As many countries, regions, cities, and states implement emissions trading policies to limit CO2 emissions, they turn to the European Union's experience with its emissions trading scheme since 2005. As a prominent example of a regional carbon pricing policy, it has attracted significant...

How much should governments subsidize the development of new clean technologies? We use patent citation data to investigate the relative intensity of knowledge spillovers in clean and dirty technologies in two technological fields: energy production and transportation. We introduce a new...

There is an increasing demand for putting a shadow price on the environment to guide public policy and incentivize private behaviour. In practice, setting that price can be extremely difficult as uncertainties abound. There is often uncertainty not just about individual parameters but about the...