Dr. Sajad Vahedi

Dr. Sajad Vahedi is a Research Associate at the Health Division at IMPAQ International. Dr. Vahedi is an economist whose areas of concentration are health and environmental economics.


Dr. Vahedi specializes in the application of advanced econometric methods to current issues in health and environmental policy and practice. He received extensive training in applied econometrics and structural modeling. His prior research focused on understanding how air pollution affects children's skill development in early through teenage years, what factors could mitigate the hazardous effects of pollution, and what policies are instrumental in preventing these negative impacts. In his other research project, Dr. Vahedi estimated the effect of pollution on the frequency of asthma hospitalizations in California.

Dr. Vahedi is proficient in statistical programming in Stata and Matlab and geographical analysis using ArcGIS, and has working knowledge of SAS. He has experience working with large data sets including nationally representative surveys such as Panel Study of Income Dynamics (PSID) and American Time Use Survey (ATUS), administrative records from the Office of Statewide Health Planning and Development (OSHPD), and pollution data from the Environmental Protection Agency (EPA).

Prior Experience

Prior to joining IMPAQ, Dr. Vahedi held appointments as a course instructor and research and teaching assistant at Arizona State University.


Dr. Vahedi received his Ph.D in Economics from Arizona State University. Prior to that, he graduated with Master of Science degree in economics and BS in Industrial Engineering from Sharif University of Technology, Iran.

Previous Papers and Presentations

Vahedi, S. (2016). Children's Skill Formation: The Role of Childhood Exposure to Pollution. Presentation at the Environment, Resource and Energy Economics (EREE) Seminar (Center for Environmental Economics and Sustainability Policy).

Vahedi, S. (2016). Children's Skill Formation: The Role of Childhood Exposure to Pollution. Poster presentation at the SOLE Annual Meetings, Seattle, WA.

Vahedi, S. (2015). Accounting for Exposure Time in Estimating the Impact of Air Pollution on Respiratory Disease and Asthma.