Das Buch führt in die Netzwerkforschung ein, mehr noch möchte es aber als innovativer Forschungsbeitrag zur Untersuchung ihrer Grundlagen gesehen werden. Als Elemente sind beteiligt: Die soziale Situation, die angesichts meist weniger Beteiligter die Untersuchung von Mikronetzwerken nahelegt....

Secondary schools in the developed world differ in the degree of differentiation and in the first age of selection of pupils into different tracks. In this paper, we account for the heterogeneity of tracking time with a simple stochastic model which conjugates the returns from specialization...

This paper estimates the marginal effect of class size on educational attainment of high school students. We control for the potential endogeneity of class size in two ways using a conventional instrumental variable approach, based on changes in cohort size, and an alternative method where...

This paper explores differences in the frequency with which students from different schools reach high levels of math achievement. Data from the American Mathematics Competitions is used to produce counts of high-scoring students from more than two thousand public, coeducational, non-magnet,...