Kritikalität von Rohstoffen -- Das Konzept Unternehmerische Rohstoffstrategien -- Substitution als Rohstoffstrategie -- Historische Erfahrungen im Umgang mit Kritikalität -- Aktuelle Evidenz: Der Fall Seltene Erden -- Die Unternehmensperspektive auf Versorgungsrisiken bei Seltenen Erden.

The recent slowdown of the People's Republic of China (PRC) has led to question to what extent the PRC demand of commodities can have an impact on commodity prices. We take into account the fact that commodity prices are characterized by structural breaks, and to this end we make use of novel...

Strategic reserves are in principle well suited to address both generation adequacy and system security in power markets. Depending on the power system and on the network topology, a strategic reserve has to be designed to fulfill both objectives. For the design of a strategic reserve (SR) in...

Introduction : a rising China and the future of world resources / Fengshi Wu and Hongzhou Zhang -- China's food security strategy reform : an emerging global agricultural policy / Hongzhou Zhang and Guoqiang Cheng -- Debating energy security in China : ideas and policy options / Daojiong Zha --...

Die deutsche Industrie ist auf die Einfuhr von Rohstoffen angewiesen. Von besonderer Bedeutung sind dabei Metalle, die praktisch vollständig importiert werden müssen. In den letzten Jahren wurde die Versorgungslage bei zahlreichen Metallen aufgrund der hohen Konzentration von Rohstofflagern...

How should we select winning bids of generation units for strategic reserves that consist of capacity bids and energy bids? In this paper, we analyze two selecting mechanisms (scoring rules): "simultaneous" and "sequential". In case of a simultaneous scoring rule, capacity and energy bids are...

The natural environment provides crucial inputs and services for economic development, but its role for productivity growth is insufficiently explored. Environmental scarcities can pose a drag on productivity growth and a risk for its sustainability. At the same time productivity growth is often...