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Really interesting and useful thread re fixed vs random effects in ecology vs econ. This is something that I’ve focused on a lot over the past 5 years and it’s the overwhelming focus of my courses at @ICPSRSummer and #GSERM and I wanted to expand a bit (thread 1/)
There’s a fundamental difference in how econ deals with clustered/multilevel data and how most other fields do stemming from early intro of ANOVA into the field in the 1960s panel data 2/
Difference stems from misunderstandings of FE and RE, the nature of the Hausman test, the kinds of short panel data that economists tend to have, and relative ease of FE 3/
