Public procurement is officially regarded as an effective means to secure environmental improvement. Estimates by the European Commission indicate that public authorities within the European Union typically purchase goods and services corresponding to approximately 16 percent of GNP per annum....

Using a growth model that accounts for environmental and climate externalities, we take a closer look at the welfare effects of promoting biomass growth and the use of bioenergy. As an illustration, a forest hypothetical intensive forest cultivation project is simulated. Costs and benefits of...