"The Vocational and Career Psychology Service (BPS) of the German National Employment Agency has developed four new services for competence assessment. They can be used by job placement officers and case workers to better identify soft skills of their customers and use the results for job search...

"Längerfristige Beschäftigungsbeziehungen und betriebsinterne Teilarbeitsmärkte erfahren in diesem Beitrag zunächst eine vertragtheoretische Deutung: Explizite Arbeitsverträge werden ex ante in allgemeiner Form abgeschlossen, bevor ex post individuelle Arbeitsbeziehungen gestaltet werden....

"Längerfristige Beschäftigungsbeziehungen und betriebsinterne Teilarbeitsmärkte erfahren in diesem Beitrag zunächst eine vertragtheoretische Deutung: Explizite Arbeitsverträge werden ex ante in allgemeiner Form abgeschlossen, bevor ex post individuelle Arbeitsbeziehungen gestaltet werden....

Following Fehr and Gäechter (Am Econ Rev 90(4):980–994, <CitationRef CitationID="CR5">2000</CitationRef>), a large and growing number of experiments show that public goods can be provided at high levels when mutual monitoring and costly punishment are allowed. Nearly all experiments, however, study monitoring and punishment in a...</citationref>

This paper investigates a novel public goods game where contributions to the public goods require effort that is observable. When the players are observed, they exert more effort to contribute to the public goods, and free-riding diminishes significantly compared to the no observer case. These...