Mit Argumenten aus der "Theorie des Marktversagens" und der "Neuen Politischen Ökonomie" kann gezeigt werden, daß Universitäten und Forschungsinstitute spezielle "Öffentliche Güter" produzieren, die eine Grundfinanzierung durch den Staat unter Effizienzgesichtspunkten rechtfertigen....

We examined measurement invariance and age-related robustness of a short 15-item Big Five Inventory (BFI–S) of personality dimensions, which is well suited for applications in large-scale multidisciplinary surveys. The BFI–S was assessed in three different interviewing conditions:...

Delay of gratification (DoG) and delay discounting (DD) are behavioral measures of self-regulation and impulsivity. Whereas DoG refers to the postponement of gratification, DD involves the devaluation of a reward over time. Previous studies have demonstrated associations between paternal...

This article examines the implications of moving to Computer-Assisted Personal Interviewing (CAPI) for data quality by analyzing the transition from Paper-and-Pencil (PAPI) to Computer-Assisted Personal Interviewing (CAPI) on a subsample of the German Socio-Economic Panel (SOEP) conducted using...

In general, day care subsidies are accepted as a means of creating equal chances for both children and mothers in the labour market. Although there is a broad consensus that the use of children's day care should be publicly supported, there is no consensus on how this should be done. Moreover,...

The use of drugs in high-performance sports (doping) is a common pool resource (CPR) dilemma: regardless of the number of other athletes who dope, the athlete with strong tastes for victory will find doping optimal; yet if all athletes dope, they all bear negative health consequences, although...

Interest in the effects of sleeping behavior on health and performance is continuously increasing–both in research and with the general public. Ecologically valid investigations of this research topic necessitate the measurement of sleep within people’s natural living contexts. We present...

Pro Jahr verlassen 0,8 Prozent der Bevölkerung Deutschland, das sind etwa 650 000 Personen. Das Medienecho auf diese Auswanderung ist überzogen schrill, denn die meisten Auswanderer haben bereits einen Migrationshintergrund und setzen ihre Migration fort oder kehren in ihre Heimatländer...