Andrew Gelman, one of the authors of the model, has some thoughts about that. I can't find the earlier article right now, but the Economist model counts with th

Andrew Gelman, one of the authors of the model, has some thoughts about that. I can't find the earlier article right now, but the Economist model counts with that as well. See the blog post (down in the first P.S.): https://statmodeling.stat.columbia.edu/2020/08/14/new-fivethirtyeight-com-election-forecast/ https://statmodeling.stat.columbia.edu/2020/08/14/new-fiveth...