Sefi is an Assistant Professor of Environmental Economics in the Department of Geography and Environment at the London School of Economics and Political Science (LSE).
Sefi joined the LSE in 2015 as a Fellow in Environmental Economics, having previously lectured at Royal Holloway, University of London.
He holds a PhD in Economics from Royal Holloway, University of London.
- Environmental economics
- Labour economics
- Health economics
- Economics of education
- Policy evaluation
Research - 2021
This paper uses the housing market to examine the costs of indoor air pollution. The authors focus on radon and find that as published risk levels in England show an increase, property prices decrease. Read more
Research - 2018
Using data for London, this research finds that elevated levels of air pollution have a positive and statistically significant impact on overall crime - and therefore that improving air quality in urban areas through tighter environmental policy may provide a cost-effective way to reduce crime. Read more