Calendrier du 03 octobre 2022
Roy Seminar (ADRES)
Du 03/10/2022 de 17:00 à 18:15
Salle R1-09, Campus Jourdan, 75014 Paris
BUISSERET Peter (Department of Government, Harvard University)
Politics Transformed? Electoral Strategies under Ranked Choice Voting
We analyze a model of multi-candidate elections under plurality rule versus ranked choice voting (RCV). Candidates choose platforms either to target their core supporters, or instead to appeal to undecided voters. We present two main results. First, RCV intensifies candidates’ incentives to target their core supporters rather than pursue a broad policy appeal. Second, we unearth circumstances in which RCV increases the probability that a Condorcet loser wins the election. Our findings contradict widely-held contentions about RCV’s benefits, relative to plurality rule elections.
Régulation et Environnement
Du 03/10/2022 de 12:00 à 13:15
Salle R1-09, Campus Jourdan, 75014 Paris
MANSUR Erin (Dartmouth College)
*Decarbonization and Electrification in the Long Run
Decarbonization will require a completely transformed electricity grid. We analyze a long-run model that captures crucial aspects of the electricity industry such as time-varying demand for electricity, intermittency of renewables, optimal use of storage technologies, and entry and exit of generation and storage capacity. Long-run effects can differ in surprising ways from short-run intuition: A carbon tax can increase electricity consumption; cheaper storage may lead to a decrease in renewable capacity by decreasing prices when renewables are operating; and an increase in electricity demand (e.g., electrification) may lead to a decrease in emissions if it induces sufficient renewable entry. Using hourly data for the U.S. market, we calibrate the model to evaluate decarbonization policies. A carbon price of $150 or more essentially eliminates carbon emissions. Given a modest decarbonization goal, a renewable subsidy performs better than a nuclear subsidy, but this ranking is reversed for an ambitious decarbonization goal. Policies promoting transmission or storage are unlikely to yield significant benefits
unless paired with subsidies for renewables. Electrifying 100% of car miles traveled (thereby eliminating gasoline vehicle carbon emissions) would increase electricity-sector carbon emissions by 23-27% if vehicles are charged at night, but could decrease electricity-sector carbon emissions if vehicles are charged during the day.