Lectures
D. (2007): "Economic Valuation of Ecosystem Services of Urban Open Spaces. Contribution of Urban Green to Life Quality in European Cities". Presentation at the Expert Workshop "Economic Valuation of [...] impacts in German cities – Experiences and lessons learned". Invited presentation at the Faculty of Economics and Administration, Universidad Austral de Chile, 27 August, 2019, Valdivia (Chile). Gruehn, D. [...] increasing effects by open spaces in European cities". Invited lecture at "Hybrid Parks" workshop "Economic Aspects", 15 October 2012, Schloss Dyck (Germany). Gruehn, D. (2012): "Are there ethnic or cultural …