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The economics of climate change involves a vast array of uncertainties, complicating both the analysis and development of climate policy. This study presents the results of the first comprehensive study of uncertainty in climate change using multiple integrated assessment models. The study looks...
Persistent link: https://www.econbiz.de/10011344715
derive a general analytic formula for the "risk premium" governing the resulting climate policy. The formula generalizes … making under uncertainty. It clarifies the distinct roles of risk aversion, prudence, characteristics of the damage … formulation, and future policy response. We show that an optimal response to uncertainty substantially reduces the risk premium. …
Persistent link: https://www.econbiz.de/10012597858
price, the equilibrium risk-free rate, and risk premia. Climate disasters, which are more likely to occur sooner as … temperature rises, significantly increase risk premia. …
Persistent link: https://www.econbiz.de/10012258563
Temperature responses and optimal climate policies depend crucially on the choice of a particular climate model. To illustrate, the temperature responses to given emission reduction paths implied by the climate modules of the well-known integrated assessments models DICE, FUND and PAGE are...
Persistent link: https://www.econbiz.de/10011718250
We develop a financial-economic model for carbon pricing with an explicit representation of decision making under risk … specifications. We show that risk associated with high damages in the long term leads to stringent mitigation of carbon dioxide … emissions in the near term. Our results provide insight into how a systematic incorporation of climate-related risk influences …
Persistent link: https://www.econbiz.de/10013549072
The relative equity pricing of more climate-friendly ("green") versus less climate-friendly ("brown") companies is an open question in climate finance. Previous research comes to conflicting conclusions, documenting either a "carbon premium" with brown stocks yielding higher returns, or the...
Persistent link: https://www.econbiz.de/10013503379
-form expressions of welfare loss from shocks and epistemological uncertainty identify the interaction of (intertemporal) risk attitude …
Persistent link: https://www.econbiz.de/10011305430
Recent theoretical work in the economics of climate change has suggested that climate policy is highly sensitive to "fat-tailed" risks of catastrophic outcomes (Weitzman, 2009b). Such risks are suggested to be an inevitable consequence of scientific uncertainty about the effects of increased...
Persistent link: https://www.econbiz.de/10010199723
Previous research shows that collective action to avoid a catastrophic threshold, such as a climate "tipping point", is unaffected by uncertainty about the impact of crossing the threshold but that collective action collapses if the location of the threshold is uncertain. Theory suggests that...
Persistent link: https://www.econbiz.de/10010249688
assumption of (intertemporal) risk neutrality reduces the growth effect in social discounting and significantly amplifies the … importance of risk and correlation. Second, debate and models largely overlook the difference in attitude with respect to risk … and with respect to non-risk uncertainty. The paper derives the resulting changes of the risk-free and the stochastic …
Persistent link: https://www.econbiz.de/10009488887