van Kooten, G. Cornelis Publications Technological Innovation and Dispersion: Environmental Benefits and the Adoption of Improved Biomass Cookstoves in Tigrai, Northern Ethiopia Single versus Multiple Objective(s) Decision Making: An Application to Subsistence Farms in Northern Ethiopia Does community and household tree planting imply increased use of wood for fuel? Evidence from Ethiopia People | 3 June 2013 TwitterFacebookLinked in