presented-2012Nov-climate-envr200-handout

presented-2012Nov-climate-envr200-handout - Introduction...

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Introduction Scope of policy Planner’s problem Instruments Conclusion The economics of climate change policy (in one hour!?) Chris Barrington-Leigh wellbeing.research.mcgill.ca MSE, IHSP, ECONOMICS MCGILL ENVR 200 Autumn 2012 Introduction Scope of policy Planner’s problem Instruments Conclusion Concept question 1 Assuming there was no doubt about climate change, what would a benevolent dictator do? : Go carbon neutral (or negative, or nearly) overnight : Promote long-term economic growth, discounting future environmental damage at the market interest rate : Something else Introduction Scope of policy Planner’s problem Instruments Conclusion Learning objectives
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Introduction Scope of policy Planner’s problem Instruments Conclusion Mitigation actions Mitigation policies promote actions, such as: efficiency improvements → ± INVESTMENT fuel switching → ± GHG capture → ± land use change (forest and agricultural soils) transport mode switching → ± demand reduction (population control?) Introduction Scope of policy Planner’s problem Instruments Conclusion Capital turnover times time scale years Capital asset 5 cars, computers 10 air conditioners, boilers, furnaces, buses 15 clothes dryer 20 asphalt road / parking lot, bus shelter 30 airport runway, concrete road / parking lot 40 road system base, electric substation, houses, power plants 50 buildings, water distribution mains 75 bridges 100 reservoirs, dams, railway routes, road routes Introduction Scope of policy Planner’s problem Instruments Conclusion Two Three roles for economics Evaluation i.e., comparing outcomes e.g., How much should we control/reduce GHG emissions?
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presented-2012Nov-climate-envr200-handout - Introduction...

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