Policy Briefs & Testimonies

425 Items

U.S. Secretary of State John Kerry delivers a statement on the Iran talks deal at the Vienna International Center in Vienna, Austria Tuesday July 14, 2015.

(AP Photo)

Policy Brief - Belfer Center for Science and International Affairs, Harvard Kennedy School

Elements of the Iran Nuclear Deal

| July 15, 2015

The July 14, 2015 comprehensive nuclear deal between Iran and the P5+1 (known as the Joint Comprehensive Plan of Action or JCPOA) consists of the agreement itself and five technical annexes: Annex I – Nuclear-related measures; Annex 2 – Sanctions-related commitments; Annex III- Civil Nuclear Cooperation; Annex IV – Joint Commission; and Annex V – Implementation Plan. The version issued by the EU is used here because pages and paragraphs are numbered in proper order.

This article describes the main elements of the JCPOA. In coming days, the Belfer Center plans to publish a more detailed description and assessment of the agreement.

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Policy Brief - Harvard Project on Climate Agreements, Belfer Center

The Role of Integrated Assessment Models in Climate Policy: A User's Guide and Assessment—Summary

    Authors:
  • Gilbert E. Metcalf
  • James Stock
| July 2015

Emitting carbon dioxide (CO2 )—and other greenhouse gases—imposes a cost on society because it contributes to damages from climate change. This "social cost" is also known as an "externality," in that the emitter does not bear this cost. The "Social Cost of Carbon" (SCC), then, is the "marginal monetized externality value" of damages from CO2 emissions, where "marginal" refers to the next incremental unit of emissions. As damages from climate change become more evident, it becomes increasingly useful in formulating public policy (especially in connection with attendant benefit-cost analysis of that policy) to employ an SCC—that is, a numerical, non-zero value for climate damages. This paper examines the process in the U.S. government of specifying an SCC.

Senate Foreign Relations Committee Chairman Sen. Bob Corker, R-Tenn., center, speaks with the committee's ranking member Sen. Ben Cardin, D-Md., on Capitol Hill in Washington In this April 14, 2015 file photo.

(AP Photo)

Testimony - Belfer Center for Science and International Affairs, Harvard Kennedy School

Lessons Learned from Past WMD Negotiations

| June 24, 2015

Belfer Center Director Graham Allison testified before the U.S. Senate Committee on Foreign Relations on "Lessons Learned from Past WMD Negotiations" to inform assessment of a comprehensive nuclear deal that will prevent Iran from acquiring nuclear weapons.

President Barack Obama of the United States meets with Russian President Vladmir Putin at the G8 Summit in Lough Erne, Northern Ireland on 17 June 2013.

White House Photo

Policy Brief - Institute for Peace Research and Security Policy, University of Hamburg

U.S.-Russian Nuclear Security Cooperation: Rebuilding Equality, Mutual Benefit, and Respect

| June 2015

The United States and Russia are the two countries with the vast majority of the world's nuclear weapons and material. In an age of global terrorism, they share both a special responsibility in ensuring that they each employ effective nuclear security systems and an understanding of the unique challenge of securing hundreds of tons of nuclear material. For two decades, the United States and Russia lived up to this responsibility by working together to strengthen nuclear security in Russia and around the globe. That ended in 2014 when Russia halted the majority of its work on nuclear security with the United States. The negative consequences of that decision could seriously affect international security and cooperation in the nuclear realm.

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Policy Brief - Harvard Project on Climate Agreements, Belfer Center

Why Finance Ministers Favor Carbon Taxes, Even if They Do Not Take Climate Change into Account—Summary

    Authors:
  • Max Franks
  • Ottmar Edenhofer
  • Kai Lessmann
| June 2015

It is difficult for finance ministers to raise revenue by taxing a firm's mobile capital assets because the costs of relocating that capital in response to tax pressure have been reduced by globalization. Countries compete for this capital by reducing their capital tax rates. Governments are still pressured to provide welfare-enhancing public infrastructure investments despite resulting reductions in revenue.

Carbon taxes are a way to raise revenue without chasing firms abroad because carbon assets are not mobile or evenly distributed geographically. A tax on carbon imports cannot be avoided by relocation as easily as a tax on mobile capital. As a result, finance ministers who may not otherwise care about the environment may favor a carbon tax as a way to finance welfare-improving public investment.

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Policy Brief - Harvard Project on Climate Agreements, Belfer Center

The Optimal Energy Mix in Power Generation and the Contribution from Natural Gas in Reducing Carbon Emissions to 2030 and Beyond—Summary

    Authors:
  • Carlo Carraro
  • Massimo Tavoni
  • Thomas Longden
  • Giacomo Marangoni
| June 2015

This paper analyses a set of new scenarios for energy markets in Europe to evaluate the consistency of economic incentives and climate objectives. It focuses in particular on the role of natural gas across a range of climate policy scenarios (including the Copenhagen Pledges and the EU Roadmap) to identify whether current trend and policies are leading to an economically efficient and, at the same time, climate friendly, energy mix.