 Most researchers hold doctorates in economics, but many also hold advanced degrees in engineering, law, ecology, city and regional planning, U.S. government, and public policy and management, among other fields.In addition, specialized centers, programs, and initiatives at RFF focus on specific areas of research and operate collaboratively across disciplines.These include the Center for Climate and Electricity Policy; the Center for the Management of Ecological Wealth; the Center for Energy Economics and Policy; the Center for Forest Economics and Policy; and the Environment for Development.