Learn More About Mathematica

Paul Decker talks about our unique, rigorous approach.

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Trending Content

In 1968, Mathematica led the nation’s first major social research experiment, helping to spur a revolution in the application of social science to public policies and programs. For more than four decades, social scientists have revised and refined those methods, but the gold standard for research remained...

Mathematica 2018 Summer Fellows

Mathematica Summer Fellows describe their current work and talk about how they feel their summer fellowship at Mathematica is preparing them for their next steps.

Making Evidence Matter: Tips for Researchers

With today’s policymakers grappling with increasingly complex, high-stakes problems, here are a few tips for how researchers can provide accessible, objective, and trustworthy evidence to inform decision making when it counts most.


Monitoring, Evaluation, and Learning (MEL) is a flexible approach to assessing grant initiatives or programs.

Trending Publications

This report is the second in a series on the implementation and impacts of Steps to Success in San Angelo, Texas. It presents evidence on the program’s interim impacts, measured about one year into the two-year program.

This brief summarizes research quantifying the beneficiary-level prevalence, duration, and size of work-related overpayments. Among other notable findings, the results establish the high prevalence of overpayments among beneficiaries who engage in substantial gainful activity: more than 7 in 10 were...

This paper evaluates a program sponsored by the Millennium Challenge Corporation to promote civic participation in local governance in Rwanda.

This report explains the negative income tax—what it is and how it works. It also discusses its possible impact on different groups and how it operated in New Jersey.

Trending Projects

In 2008, the U.S. Department of Labor’s Employment and Training Administration commissioned Mathematica to conduct a national random assignment evaluation of the Workforce Investment Act Adult and Dislocated Worker programs' effectiveness.

Peru school LAC Reads project

Mathematica is rigorously evaluating and determining costs for U.S. Agency for International Development investments in early literacy and access to education in conflict settings in the Latin America and Caribbean region.

graphic with word survey under a magnifying glass

This survey collects data on the employment-related activities of working-age SSDI and SSI beneficiaries. Mathematica has been conducting the NBS since its inception in 2004 and we will be implementing additional survey rounds in 2015, 2017, and 2019.

Young people with disabilities, particularly those who receive Supplemental Security Income (SSI), face unique challenges as they transition into adulthood. Even with targeted support services, they often fall behind their peers in their educational and economic attainment as adults.

Expert Spotlight
Policy Issues Are Complex.
Our Approach Is Comprehensive.

Mathematica Policy Research is dedicated to improving public well-being by bringing the highest standards of quality, objectivity, and excellence to bear on information collection and analysis for our partners and clients. The company has been at the forefront of assessing the effectiveness of policies and programs since 1968. Considered an architect of social policy research, Mathematica conducted the first social policy experiment in the United States, the New Jersey Negative Income Tax Experiment, to test ways of encouraging low-income individuals to work.