I’m an Assistant Professor of Health Economics in the Department of Health Policy at the London School of Economics. I am also an Honorary Lecturer in the Department of Infectious Disease Epidemiology at Imperial College London.

My research interests are in the economics of public health practice in resource constrained settings. I employ field experiments and analyse large datasets  to (1) understand the drivers of health and health behaviours with a specific focus on infectious diseases (2) design and test insights from behavioural economics with the aim of increasing uptake of preventative health services and (3) inform priority setting in healthcare by evaluating the economic benefits and costs of public health interventions.

See more under Research

Recent working papers

Risk and social preferences predict risky sexual behaviour amongst youth in a high HIV-prevalence setting (with Matteo Galizzi, Louisa Moorhouse, Constance Nyamukapa and Timothy Hallett)

The impact of universal testing and treatment for HIV on productivity – causal evidence from the HPTN 071 (PopART) Trial (with Julius Ohrnberger, Katharina Hauck, Richard Hayes and PopART Study Team) – under review

Recent publications

Thomas R., Cirera L., Brew J., Saute F., Sicuri E. The short-term impact of a malaria elimination initiative in Southern Mozambique: Application of the synthetic control method to routine surveillance data. Health Economics. 2021 Volume 30, Issue 9, 2168-2184.

Thomas R., Probert W., Sauter R., et al. Cost and cost-effectiveness of a universal HIV testing and treatment intervention in Zambia and South Africa: Evidence and projections from the HPTN 071(PopART) Trial. The Lancet Global Health. 2021 Volume 9, Issue 5, e668-e680.