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WHO Collaborating Centre for Health Systems Research and Management Berlin University of Technology

Ruth Waitzberg

Ruth Waitzberg is a researcher at the Department of Healthcare Management at the Technical University of Berlin and is involved in projects with the European Observatory on Health Systems and Policies. In 2019, Ruth acts as assistant editor at the Israel Journal of Health Policy Research and associate and managing editor at the Health Policy Open Journal. Her research interests include: payment to health providers and financial incentives, health insurance, policy evaluation, health and long-term care systems.

University of Minnesota, NBER, ZEW

Joel Waldfogel

Joel Waldfogel does empirical research on industrial organisation. He has studied price advertising, media markets, pricing, the operation of differentiated product markets, and the effects of digitisation on media and creative industries. His book Digital Renaissance (Princeton) appeared in 2018. His previous books are the Tyranny of the Market (Harvard, 2007) and Scroogenomics (Princeton 2009). Prior to coming to Minnesota, he was on the faculties of Wharton and Yale.


Patrick Wallis

Patrick Wallis is editor of the Economic History Review. His work explores the economic history of Europe before industrialization, with a particular focus on human capital and apprenticeship, and guilds and economic organization. He has a long-standing interest in health, medicine and epidemics, from plague to SARS.

IFS, University of Oxford

Ben Waltmann

Ben is a Research Economist in the Education and Skills sector and a PhD student at the University of Oxford. His main research areas are the returns to education, higher education funding, the transition from school to work, and the estimation of dynamic discrete choice models.


Ross Warwick

Ross joined the IFS in 2016 and works in the Centre for Tax Analysis in Developing Countries. This centre combines research and in-country capacity building on tax and benefit policy and administration in a number of developing countries around the world.

Institute for Fiscal Studies

Tom Waters

Tom joined the IFS in 2016 and works in the Income, Work and Welfare sector. His work includes labour economics, tax and benefit policy, inequality, and poverty. Before joining IFS he worked at the Office for Budget Responsibility and HM Treasury.