Background: Statements or commitments making use of numbers have an important place in government policy. They appear at all stages of the policy process: campaigning, formulation, monitoring and evaluation. Many types of sources are involved including research studies, national survey information, routine operational data collections and special…

This study uses descriptive data from the U.S. Department of Education to examine the composition of the private school sector in localities with sizeable school choice programs. If existing school choice programs are attracting educational entrepreneurs and unlocking the potential of new school models, the authors should expect to see significant…

Past estimates of the effect of family income on child development have often been plagued by endogeneity and measurement error. In this paper, we use two simulated instrumental variables strategies to estimate the causal effect of income on children's math and reading achievement. Our identification derives from the large, non-linear changes…