Sollen in Zukunft ambitionierte Ziele der nachhaltigen Flächennutzung erreicht werden, wiezum Beispiel das 30-Hektar-Ziel aus der Nachhaltigkeitsstrategie der rot-grünenBundesregierung aus dem Jahre 2002, dann müssen politische Strategien gefunden werden,die es erlauben, weitgehende...

Land is an essential but limited natural resource. We employ the concept of stocks to analysedriving forces for land-use conversion and to assess, whether the German political “30-hectares-goal” is feasible given the current institutional setting. In this paper major drivingforces for...

In this paper, we investigate the external effects of the parent's de-cisions on the number of newly born children and the firm's decisions on theamount of polluting emissions that occur in industrial production. We employan optimal control model which comprises three stock variables...