optimal policy design in a context with more than one externality while taking explicitly into account uncertainty surrounding …-focused. Besides uncertainty on the state of the world concerning actual marginal emission damage, we consider the technological … progress through R&D as well as learning-by-doing. A portfolio of three policy instruments is then needed to cope with the …

is comparable to numeric models used in policy advising. Uncertainty surrounding climate change remains large. The closed …-form expressions of welfare loss from shocks and epistemological uncertainty identify the interaction of (intertemporal) risk attitude …, distributional moments, and the climatic shadow values. Welfare gains from reducing uncertainty about temperature feedbacks are much …

, clean technological progress, as well as uncertainty about climatic and economic factors, lead to lower emissions and … relative to a 'straw man' model with perfect capital mobility, fixed abatement costs and no uncertainty. …

determinants of technological change in wind power from a learning perspective. We estimate the effects of different channels of … learning-learning through R&D in wind turbine manufacturing, learning from previous experience of installation, and learning …

scientific uncertainty about the effects of increased greenhouse gas concentrations on climate. Criticisms of this controversial …