observed patterns of interaction. We find that, while much sorting exists at all stages of college, black and white students … friends as randomly assigned roommates of the same race. Further, we find that, in the long-run, white students who are … randomly assigned black roommates have a significantly larger proportion of black friends than white students who are randomly …

access to public universities for students from lower socioeconomic backgrounds. A key concern, however, is how these … students will perform. This paper examines the relationship between high school quality and student success at college. Using … schools in the state that send students to the university, but also provides an admission criteria based on a sole observable …

-semester students, although instructors continued to record letter grades. We identify the causal effect of the policy on course choice … and performance, using a regressiondiscontinuity-in-time design. Students shifted to lower-grading STEM courses in the … first semester, but did not increase their engagement with STEM in later semesters. Letter grades of first-semester students …

- truancy among active male athletes declines significantly, with the effects larger in earlier grades and for black and …

participation in sports and tournaments raises the cognitive performance and thereby justifies the better outcomes at the labour … extensive cognitive tests. The participation in sports tournaments and some variety in one's activities increase the cognitive …

Several types of constraints must be satisfied by schedules of real world sports leagues, e. g. stadium unavailability … constraints are considered as 'soft' ones. There are various models appropriately describing the environment of real sport leagues … here a model which satisfies the demands of many sports leagues. We solve our model by a method which consists in …

academic performance of college students. As expected, the intervention increases physical activity. The main result is that it … generates a strong and significant improvement in academic performance, particularly for students who struggled at the baseline … in terms of lifestyle habits. We also provide evidence on the underlying mechanisms: Students who were incentivized to …