An Analysis of US Subsidies for Electric Buses and Freight Trucks (with Wes Look). RFF Issue Brief 22-1.

Emissions Projections under Alternative Climate Policy Proposals (with Marc Hafstead, Wes Look, Nicholas Roy, Karen Palmer, and Kevin Rennert). RFF Issue Brief 21-13.

Emissions Projections for a Trio of Federal Climate Policies (with Wes Look, Karen Palmer, Dallas Burtraw, Marc Hafstead, Maya Domeshek, Nickolas Roy, Kevin Rennert, Kenneth Gillingham, and Qinrui Xiahou). RFF Issue Brief 21-02.

Reducing the Costs of Federal Fuel Economy and Greenhouse Gas Standards by Accurately Estimating Lifetime Vehicle Miles Traveled. RFF Issue Brief 20-10.

How Targeted Vehicle Scrappage Subsidies Can Reduce Pollution Effectively. RFF Issue Brief 20-09.

Clean Energy Standards for Industry: Scoping Analysis (with Vincent Gonzales and Richard Morgenstern). RFF Issue Brief 20-06.

Making Sense of the Trump Administration’s Fuel Economy Standard Rollback (with Jason Bordoff and Akos Losz). RFF Report 2018.

Combating Emissions Leakage from Oregon’s Industrial Sector (with Dallas Burtraw). RFF Issue Brief 17-10.

How Do Low Gas Prices Affect Costs and Benefits of US New Vehicle Fuel Economy Standards? (with Benjamin Leard and Virginia McConnell). RFF Policy Brief.

Do Low Oil Prices Undermine the US Passenger Vehicle Fuel Economy Standards? (with Benjamin Leard and Virginia McConnell). RFF Policy Brief.

Comparing US and EU Approaches to Regulating Automotive Emissions and Fuel Economy (with Thomas Klier). RFF Policy Brief 16-03; reprinted in Resources, vol. 193: 40-5.

Defining the Unknown: A Look at the Cost of Tighter Ozone Standards (with Alan Krupnick and Kristen McCormack). RFF Issue Brief 15-03.

Preparing for the Midterm Review of the Fuel Economy and Greenhouse Gas Emissions Rate Standards for Light-Duty Vehicles: A Summary of Priority Research Questions (with Alan J. Krupnick and Virginia D. McConnell). RFF Issue Brief 14-04.

Cutting Carbon Take Two: A Brief Guide to Federal Electricity-Sector Climate Policy without Cap-and-Trade (with Nathan Richardson). Issue Brief 11-09, 2011. Published in Applied Economics Perspectives and Policy, vol. 35 (2013): 377-97.

An Analysis of Decarbonization Methods in Vermont (with Marc Hafstead, Wesley Look, Amelia Keyes, Dallas Burtraw, and Roberton C. Williams III). RFF Report.

How Does Employment in US Manufacturing Respond to Natural Gas Prices (with Wayne Gray and Richard D. Morgenstern). Resources, vol. 197

Designing State Policies to Complement US Federal Standards for Vehicle GHG Emissions (with Virginia McConnell). Resources, vol. 195.

The Effect of Standards for New Vehicle Fuel Economy and GHG Emissions on US Consumers (with Benjamin Leard and Yichen Christy Zhou). Resources, vol. 195.

The Supreme Court’s Stay of the Clean Power Plan: Economic Assessment and Implications for the Future (with Dallas Burtraw and Kristen McCormack). Environmental Law Reporter, vol. 46 (October 2016): 10859-72.

Is Halting the Clean Power Plan Economically Justified? (with Dallas Burtraw and Kristen McCormack). Resources, vol. 193: 26-9.

Employment and Output Leakage under California’s Cap-and-Trade Program (with Wayne B. Gray and Richard D. Morgenstern). RFF Discussion Paper 16-17 (2016).

Approaches to Address Potential CO2 Emissions Leakage to New Sources under the Clean Power Plan (with Dallas Burtraw, Karen L. Palmer, Anthony Paul, Kristen McCormack, and Hang Yin), RFF Report 2016.

Clearing the Air: How Market-Based Policies Help Meet the Tighter US Ozone Limit (with Alan Krupnick and Kristen McCormack). Resources.

The Environmental Effects of Clean Energy Innovations Under Rate-Based Regulation (with John Horowitz). RFF Discussion Paper 15-42.

Lessons of Wind Policies in Texas (with Clayton Munnings). Texas A&M Journal of Real Property Law, vol. 1 (2014): 425-446.

The Costs and Consequences of Clean Air Act Regulation of CO2 from Power Plants (with Dallas Burtraw, Karen Palmer, and Anthony Paul). Papers and Proceedings of the American Economic Association, vol. 104, 2014: 557-62.

Preparing for the Midterm CAFE Review (with Alan Krupnick and Virginia McConnell). Resources.

How Electric Cars Can Increase Greenhouse Gas Emissions (with Virginia McConnell). Resources, v184, 2013.

Do Market Shares or Technology Explain Rising New Vehicle Fuel Economy? (with Shefali Khanna). RFF Discussion Paper 13-29.

Environmental Regulation and Employment: A Reassessment (with Anna Belova, Wayne B. Gray, and Richard D. Morgenstern). CES Working Paper 13-36.

Designing Renewable Electricity Policies to Reduce Emissions (with Harrison Fell and Clayton Munnings). RFF Discussion Paper 12-54.

The Supply Chain and Industrial Organization of Rare Earth Materials: Implications for the U.S. Wind Energy Sector (with Jhih-Shyang Shih, Timothy J. Brennan, Joel Darmstadter, Molly K. Macauley, and Louis Preonas), RFF Report 2012.

Corporate Average Fuel Economy Standards and the Market for New Vehicles (with Thomas Klier). The Annual Review of Resource Economics, v3, 2011: 445-62.

Deepwater Drilling: Law, Policy, and Economics of Firm Organization and Safety (with Mark A. Cohen, Madeline Gottlieb, and Nathan Richardson). Vanderbilt Law Review, vol. 64 (2011): 1853-1916.

The Price of Gasoline and the Demand for Fuel Economy: Are There Any Links” (with Thomas Klier). Published in Issues of the Day: 100 Commentaries on Climate, Energy, the Environment, Transportation and Public Health Policy. Ian W. H. Parry and Felicia Day (eds.), Resources for the Future Press, Washington, DC, 2010.

Did Medicare Induce Pharmaceutical Innovation? (with Daron Acemoglu, David Cutler and Amy Finkelstein). Papers and Proceedings of the American Economic Association, May 2006.

Comments on Key Considerations for United States Climate Policy (with Ann Bartuska, Dallas Burtraw, Brian Flannery, Kristin Hayes, Alan Krupnick, Jan Mares, Karen Palmer, Brian Prest, and Kevin Rennert, and Daniel Shawhan), submitted to the House Committee on Energy and Commerce.

Comments to US EPA on the Proposed Affordable Clean Energy Rule (with Alan Krupnick, Maureen L. Cropper, Robert Kopp, Richard Newell, William Pizer, Kevin Rennert, Casey Wichman, Dallas Burtraw, and Amelia Keyes).

Comments to NHTSA and US EPA on the Safer Affordable Fuel-Efficient (SAFE) Vehicle Rule for Model Years 2021-2026: Passenger Cars and Light Trucks (with Alan Krupnick, Benjamin Leard, and Virginia McConnell).

The Future of Transportation Fuels and Vehicles. Testimony and public comments to the House Energy and Commerce Committee.

Comments on Midterm Evaluation Draft Technical Assessment Report for Model Year 2022-2025 Light Duty Vehicle GHG Emissions and CAFE Standards (with Virginia McConnell, Benjamin Leard, and Kenneth Gillingham), RFF Report 2016.