Diese Studie gibt erstmalig einen umfassenden Einblick in die Motivstruktur zweier vergleichbarer Ernährungstrends. Durch den Konsum von Superfood oder Nahrungsergänzungsmitteln (NEM) werden die Werte Gesundheit, Lebensfreude und Selbstbewusstsein angestrebt. Grundlage der Motivstudie ist der...

The discussion on the promotion of biofuels is ambiguous: on the one hand benefits like reduction of greenhouse gas emissions and increase of energy supply security are expected, on the other hand low effectiveness with respect to reducing greenhouse gas emissions and high costs are being...

This paper argues that effective competition in reformed wholesale electricity markets can only be achieved if the following six prerequisites are met: (1) separation of the grid from generation and supply; (2) wholesale price deregulation; (3) sufficient transmission capacity for a competitive...