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Mathematica Policy Research
Amerika Birleşik Devletleri
Mathematica Policy Research is a policy research organization with offices in Princeton, New Jersey; Cambridge, Massachusetts; Chicago, Illinois; Washington, DC; Ann Arbor, Michigan; and Oakland, California. Mathematica has more than 1,000 employees and conducts program evaluation, policy research and interpretation, survey design and data collection, and performance measurement and data management. Mathematica works across the United States and in countries around the world for clients that include federal agencies, state and local governments, foundations, universities, and private-sector an... see mored international groups.
Low-quality or nonexistent sanitation affects health and hinders economic development, especially in the world's poorest countries. To address this issue, the Water and Sanitation Program, a partnersh...