Purpose – The authors' paper aims to deal with the question whether speculative bubbles are present in agricultural commodity prices. Design/methodology/approach – The authors apply a regime switching regression model to test the hypothesis that agricultural prices contain periodically...

Purpose – The purpose of this paper is to assess the losses of weather-related insurance at different regional levels. The possibility of spatial diversification of insurance is explored by estimating the joint occurrence on unfavorable weather conditions in different locations, looking...

The optimization of turbine density in wind farms entails a trade-off between the usage of scarce, expensive land and power losses through turbine wake effects. A quantification and prediction of the wake effect, however, is challenging because of the complex aerodynamic nature of the...