There are only out-dated research results on the environmental impact of solar thermal collectorswhich do not reflect the state of the art in this field. Particularly with regard to the long-term resistanceand ageing of the absorbers of solar thermal collectors, there are no current scientific...

Mit der auf dem Weltwirtschaftsforum in Davos 1999 erstmals vorgestellten Initiative füreinen "Global Compact" zwischen den Vereinten Nationen (VN) und Wirtschaftsunternehmenmöchte VN-Generalsekretär Kofi Annan die Zusammenarbeit zwischen den VN, der Wirtschaftund anderen gesellschaftlichen...

The purpose of this paper is to sort out firm-related differences from effects that result from different economic structures. A non-parametric decomposition is used to analyse firm level difference between the wage spread in the two major regions of unified Germany. If firm-specific effects...

Es handelt sich um eine Fallstudie aus dem Bereich der Betriebswirtschaftslehre in der Zeitschrift "das wirtschaftsstudium".

In this paper we analyze the evolution of output decisions of adaptive firms in an environment of oligopolistic competition. The firm might either choose to produce one of several existing product variants or try to establish a new product variant on the market....