Here, we consider the problem of aggregation of efficiency and productivity indices. We will summarize some of the existing results and will derive new results for aggregation of Hicks-Moorsteen productivity indices.

Europe relies on reliable and robust knowledge on materials stocks and flows to promote innovation along the entire value chain of raw materials. The concept of the circular economy, recently adopted by the European Commission, aims at maintaining the value of products, materials, and resources...

Europe relies on reliable and robust knowledge on materials stocks and flows to promote innovation along the entire value chain of raw materials. The concept of the circular economy, recently adopted by the European Commission, aims at maintaining the value of products, materials, and resources...

Land use faces a double challenge: to provide biomass to a growing population while contributing to climate-change mitigation. We here scrutinize this challenge by exploring the domestic option space for meeting the food demand of Austria in 2050 under the condition of no deforestation. To that...