endogenous variable that depends on the share of drug using athletes in the history of a sport. This way, the model can explain … sport, e.g. Olympic qualification marks, and by the taste of victory, i.e. the disproportionate public veneration of winners. …

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 …

aim of this paper is to study interactions among different types of risk-taking behavior by youth, namely drug use and …

Sport trägt zu einer besseren gesundheitlichen Konstitution bei. Sportliche Betätigung weiter Kreise der Bevölkerung … keinerlei Sport treibt. Wie nicht anders zu erwarten: Bei den Jungen ist das Fußballspielen die mit Abstand beliebteste Sportart …

In this paper we will briefly review recent trends in employment outcomes for disadvantaged youth, focusing … education and employment outcomes, both among in-school youth who are at risk of dropping out and becoming disconnected as well … as out-of-school youth who have already done so; 2) Policies to increase earnings and incent more labor force …

factor to youth crime and violence. Young people who perceive a high probability of early death, it is argued, may have … early death and youth crime, this support remains tentative. Moreover, a number of questions remain regarding the … that link anticipated early death to youth crime. In this paper, we address the limitations of previous studies using a …