Between March and August 2005 Niger was hit by a doubling of millet prices and a sharp rise in the number of severely malnourished children admitted to feeding centres. The extent and causes of such crisis remain controversial. The paper reviews the evidence in this regard in the light of the...

In this paper, the differences between two variations of proportional representation (PR), open-list PR and closed-list PR, are analyzed in terms of their ability to accurately reflect voter preference. The single nontransferable vote (SNTV) is also included in the comparison as a benchmark. We...

Mathematica Policy Research has conducted influential work to improve mental health and substance abuse services and policies. We combine our deep knowledge of behavioral health care with our data collection and analytic capabilities to provide a wide array of services.

In October 2012, the Center for Medicare & Medicaid Innovation of the Centers for Medicare & Medicaid Services (CMS), in a unique collaboration between public and private health care payers, launched the Comprehensive Primary Care (CPC) initiative to improve primary care delivery in seven...

Mathematica Policy Research is leading the efforts to develop and test behavioral health quality measures that focus on a range of populations and health care settings and rely on a variety of data sources.

This is the final report of the impact evaluation of the Robert Wood Johnson Foundation Summer Medical and Dental Education Program (SMDEP). SMDEP provides science enrichment opportunities to minority and disadvantaged college students interested in attending medical or dental school. The goal...

This report describes plans for an impact study of four programs funded through the Personal Responsibility Education Program (PREP). The study, which is using a rigorous random assignment research design to assess the effects of these four PREP-funded programs, is sponsored by the U.S....

This paper estimates the influence of pollution on population health outcomes throughmeasuring direct and indirect pollution health effects. It is found that air pollution increase thenumber of population morbidities, and responsible on average for 10.3% of all incidents ofcardiovascular...