How the (Econometric) Sausage is Made

Introverts are special people. Trust me. I know. I am one. Now, not all introverts are the same. However, one thing that nearly all introverts have in common is the desire to avoid, or at least minimize, interactions. We can only take so much.  I was thinking about interactions this week. Not social ones, but rather econometric ones. Not only did I happen to cover this in class this week, but then I came across this tweet  by @StatModeling. It led to a blog post mentioning a recent publication on Covid-19 vaccine effectiveness. I am not interested in this article per se  for the purposes of this post. However, one of the study's authors posted this as an introduction to the blog post Logistic regression  can mean different things. It can mean a regression of the log odds ratio on covariates using Ordinary Least Squares (OLS). It can also, perhaps, refer to a logit model when the outcome is binary (since the odds ratio is undefined in this case). Since the study above refers to va