Other Publications--The Clean Water Rule and Economic Research on US Water Pollution Regulation(with Joe Shapiro) VoxEU. October 2019.
--The Social Cost of Water Pollution(with Cathy Kling and Dan Phaneuf) Resources, Issue 201, May 2019.
--The Costs and Benefits of Nutrient Reduction Programs. (with Chuan Tang, Jimmy Shr, Gabe Lade, and Cathy Kling) CARD Agricultural Policy Review, Fall 2018.
--How the Clean Water Act has served the environment and the economy. (with Joe Shapiro) VoxEu. October 2018.
--Ozone pollution in U.S. national parks is nearly the same as in large cities. (with Gabe Lade and Ivan Rudik) The Conversation. July 2018.
--Economic Benefits of Nitrogen Reductions in Iowa. (with Chuan Tang, Jimmy Shr, Gabe Lade, and Cathy Kling) February 2018.Media Coverage: Drovers; The Progressive Farmer
--Research Needs and Challenges in the Food, Energy, and Water System: Findings from an NSF Funded Workshop. (with Cathy Kling, Ray Arritt, and Gray Calhoun) CARD Agricultural Policy Review, Spring 2016.
--Research Needs and Challenges in the FEW System: Coupling economic models with agronomic, hydrologic, and bioenergy models for sustainable food, energy, and water systems.(with Cathy Kling et al.) Working Paper 16-WP 563, March 2016, Center for Agricultural and Rural Development, Iowa State University.
--The Unintended Consequences of Household Phosphate Bans.(with Alex Cohen) CARD Agricultural Policy Review, Fall 2015.