Diff-in-Diff Design Stage: New Series

I’ve mentioned this before, but there’s been a few papers in recent years that have left a mark, you might say. They are:

1. “Design Trumps Analysis” by Don Rubin.

2. “The Influence of Hidden Researcher Decisions in Applied Microeconomics” by Nick Huntington-Klein et al (and there are a few others too like it like this one and this one).

3. “Methods Matter: p-Hack…