The processes of N-leaching in soil are characterized by enormous natural parameter variations. Robust methods are discussed to compute the possibilities or probabilities of an unwanted output, acknowledging input uncertainties. The inclusion of additional knowledge on input dependencies or on...

Abstract This economic policy forum focuses on the liberalisation of the German telecommunication market. In view of former experiences future regulation requirements are discussed. Günter Knieps stresses that the problem of market power is central for answering the question of future division...