Bård Harstad Profile picture
Long-run economist @UniOslo Editor @RevEconStud PI @ERC_Research on #PoliticalEconomics #EnvironmentalEconomics #ClimatePolicy
Nov 16, 2022 15 tweets 4 min read
Just when COP27 wraps up in Sharm el-Sheikh, I wrap up my PhD class in environmental economics @HarvardEcon.
Here are some thoughts on how research can contribute to better agreements on climate and conservation: Spoiler: The needs for climate compensation from the North, and conservation in the South, must be united ;
Aug 23, 2021 5 tweets 1 min read
Ken Arrow, who would have turned 100 today, literally proved why mathematical models are extremely valuable in social sciences. (1/5)
ft.com/content/114b47… While other political philosophers attempted to derive the best way of aggregating individual preferences, Arrow (1951) demonstrated that it is mathematically impossible to satisfy even a modest list of seemingly weak criteria. (2/5)