of return that takes into account tuition, income taxes and forms of uncertainty. We also contrast estimates based on a …

internal rates of return that take into account tuition costs, income taxes and nonlinearities in the earnings …

estimates, while causal, may also reflect peer effects due to differences in peer quality of non-randomized students. We exploit … universal random assignment of students to high schools in certain areas of South Korea to provide estimates of school effects …

-American children in the 1960s. We discuss the design of the experiment, compromises in and adjustments to the randomization protocol …

-American children in the 1960s. We discuss the design of the experiment, compromises in and adjustments to the randomization protocol …

-American children in the 1960s. We discuss the design of the experiment, compromises in and adjustments to the randomization protocol …

-American children in the 1960s. We discuss the design of the experiment, compromises in and adjustments to the randomization protocol …

This paper examines the impact of the iconic Perry Preschool Project on the children and siblings of the original … participants. The children of treated participants have fewer school suspensions, higher levels of education and employment, and … lower levels of participation in crime, compared with the children of untreated participants. Impacts are especially …