Informal social ties have long been recognized as relevant not only for interaction between individuals, but also for knowledge transfer and other important outcomes of business activities. This applies in particular to East Asian countries such as South Korea where informal networks are widely...

Declining general trust has become a serious social issue in China in recent years. This paper attempts to understand and analyze this social phenomenon from a social interaction perspective. Based on a repeated prisoners´ dilemma game on networks, it finds that the evolution of general trust...

European electricity market participants are encouraged to balance intraday deviations from their day-ahead schedules via trades in the intraday market. Together with the increasing production of variable renewable energy sources, the intraday market is gaining importance. We investigate the...

This paper presents an analytical benchmark model for national intraday adjustment needs under consideration of fundamental drivers, market concentration and portfolio internal netting. The benchmark model is used to calculate the intraday market outcomes if (i) large and small players as well...

Seit 2010 liegt fuer die Oekonomische Bildung ein Modell domaenenspezifischer Kompetenzen nebst abschlussbezogener Bildungsstandards und exemplarischer Aufgabenbeispiele vor. Darauf koennen nun Kerncurricula aufbauen, die den Prozess der Foerderung der Kompetenzentwicklung nach Jahrgangsstufen...

Umweltverschmutzung, Urbanisierung sowie die Versorgung der noch immer wachsenden Bevölkerung sind große Herausforderungen für Chinas Nahrungsmittelpolitik im 21. Jahrhundert. Diese Publikation zeichnet verschiedene Aspekte im Zusammenhang mit Nahrungsmitteln in China nach - von der...

This article investigates the impact of the fuel mix structure in power generation portfolios on expected stock returns for major European power companies. The 22 biggest publicly listed European power producers are examined between January 2005 and December 2010. Based on the capital asset...