Ruohao Zhang, Ph.D.

Environmental regulation and firm markup: evidence from SO2 reduction policy in China
Empirical Economics, Wang, Tingsi, Zhang, Ruohao, 2025

Coal plants emitted more pollution during the last government shutdown, while regulators were furloughed
The Conversation, Zhang, Ruohao, Li, Huan, Khanna, Neha, 2025

You can be exposed to PFAS through food, water, even swimming in lakes – new maps show how risk from 'forever chemicals' varies
The Conversation, Zhang, Ruohao, Zheng, Jiameng, Zhang, Wendong, Wan, Xibo, 2025

Monitoring and Enforcement and Environmental Compliance: Power Plant Emissions During the 2018–19 Federal Government Shutdown
Journal of the Association of Environmental and Resource Economists, Zhang, Ruohao, Li, Huan, Khanna, Neha, 2025

Public Pressure and the Heterogeneous Effects of Voluntary Pollution Abatement
Journal of the Association of Environmental and Resource Economists, Zhang, Ruohao, Khanna, Neha, 2024

Evidence on COVID-19 Mortality and Disparities Using a Novel Measure, COVID excess mortality percentage: Evidence from Indiana, Wisconsin, and Illinois
PLoS One, Atanasov, Vladimir, Barreto, Natalia, Franchi, Lorenzo, Whittle, Jeff, Meurer, John, Weston, Benjamin W., Luo, Qian, Yuan, Andy Ye, Zhang, Ruohao, Black, Bernard, 2024

Selection Effects and COVID-19 Mortality Risk after Pfizer vs. Moderna Vaccination: Evidence from Linked Mortality and Vaccination Records
Vaccines, Atanasov, Vladimir, Barreto, Natalia, Whittle, Jeff, Meurer, John, Weston, Benjamin W., Luo, Qian, Yuan, Andy Ye, Franchi, Lorenzo, Zhang, Ruohao, Black, Bernard, 2023

Air Quality Impacts of Shale Gas Development in Pennsylvania
Journal of the Association of Environmental and Resource Economists, Zhang, Ruohao, Li, Huan, Khanna, Neha, Krupnick, Alan J., Hill, Elaine L., Sullivan, Daniel M., 2023

Understanding COVID-19 Vaccine Effectiveness against Death Using a Novel Measure: COVID Excess Mortality Percentage
Vaccines, Atanasov, Vladimir, Barreto, Natalia, Whittle, Jeff, Meurer, John, Weston, Benjamin W., Luo, Qian, Franchi, Lorenzo, Yuan, Andy Ye, Zhang, Ruohao, Black, Bernard, 2023

Economic impact payment, human mobility and COVID-19 mitigation in the USA
Empirical Economics, Zhang, Ruohao, 2022

The Effect of the COVID-19 Pandemic on the Elderly: Population Fatality Rates, COVID Mortality Percentage, and Life Expectancy Loss
Elder Law Journal, Barreto, Natalia, Atanasov, Vladimir, Whittle, Jeff, Meurer, John, Luo, Qian (Eric), Zhang, Ruohao, Black, Bernard, 2022

Environmental justice and the COVID-19 pandemic: Evidence from New York State
Journal of Environmental Economics and Management, Zhang, Ruohao, Li, Huan, Khanna, Neha, 2021

Estimation of panel model with heteroskedasticity in both idiosyncratic and individual specific errors
Econometric Reviews, Zhang, Ruohao, Kumbhakar, Subal C., Lai, Hung pin, 2020