This brief describes exploratory work to develop a simulation model to predict the potential implications of changes that may be coming in policies and practices related to school meals and school food environments.

For randomized controlled trials (RCTs) of education interventions, estimates of associations between student and mediating teacher practice outcomes can help examine the extent to which the data support the study's conceptual model. They can also identify mediators most associated with student...

For randomized controlled trials (RCTs) of education interventions, estimates of associations between student and mediating teacher practice outcomes can help examine the extent to which the data support the study's conceptual model. They can also identify mediators most associated with student...

In randomized control trials (RCTs) in the education field, the complier average causal effect (CACE) parameter is often of policy interest, because it pertains to intervention effects for students who receive a meaningful dose of treatment services. This article uses a causal inference and...

This report presents final results from Mathematica’s evaluation of the Social Security Administration’s Youth Transition Demonstration projects, which provided employment-focused services and enhanced financial work incentives to youth with severe disabilities. Three of the six...

This issue brief summarizes the findings in Mathematica’s final report on the evaluation of the Social Security Administration’s Youth Transition Demonstration projects, which provided employment-focused services and enhanced financial work incentives to youth with severe...

There have been numerous episodes of widespread adoption of improved seed and long-term achievements in the development of the maize seed industry in Sub-Saharan Africa. This summary takes a circumspect view of technical change in maize production. Adoption of improved seed has continued to rise...

Asia's green revolution in rice was transformational and improved the lives of millions of poor households. Rice has become an increasingly important part of African diets and imports of rice have grown. Agronomists point out that large areas in Africa are well suited for rice and are encouraged...

This paper analyzes the trends and evolution of public spending in the agriculture sector in Indonesia, as well as the impact of public spending on agricultural growth. It finds that, in line with empirical work undertaken in other countries, public spending on agriculture and irrigation during...