Research Scientist Yongjie Ji co-authored the articles "The Economics of Nutrient Pollution from Agriculture" in Annual Review of Resource Economics and "Environmental Justice and the Clean Water Act: Implications for Economic Analyses of Clean Water Regulations in Environmental and Energy Policy and the Economy.

The ARRE article, authored with Gemma Del Rossi of the University of California and Mohammad Mainul Hoque and Catherine L. Kling of Cornell University summarizes data trends on commercial fertilizer use, manure, cropland, and concentrations of nitrogen and phosphorus in waterways and presents data indicating that fertilizer applications per acre of US cropland exhibit an upward trend, with a strong spatial correlation between agricultural intensification and nutrient contents in waterbodies.

The EEPE article, which Ji co-authored with Tihitiana Andarge and David A. Keiser of the University of Massachusets Amherst, and Bonnie L. Keeler and Conor McKenzie of the University of Minnesota, seeks to understand how prior guidelines have been implemented in federal regulatory reviews related to the Clean Water Act and provide a baseline for future studies of the distributional effects of clean water regulations.

The Economics of Nutrient Pollution from Agriculture
Gemma Del Rossi, Mohammad Mainul Hoque, Yongjie Ji, and Catherine L. Kling
Annual Review of Resource Economics 15(October 2023)
doi: 10.1146/annurev-resource-111820-021317

Environmental Justice and the Clean Water Act: Implications for Economic Analyses of Clean Water Regulations
Tihitiana Andarge, Yongjie Ji, Bonnie L. Keeler, David A. Keiser, and Conor McKenzie
Environmental and Energy Policy and the Economy 5
https://ideas.repec.org/h/nbr/nberch/14879.html