I actually don't think a study is needed, because it's not a one-size fits all debate, I think which you agree with, too. I could argue either side for differe

I actually don't think a study is needed, because it's not a one-size fits all debate, I think which you agree with, too. I could argue either side for different teams, companies, velocity, goals. Just like your example, I'm a believer in dynamic for quick tooling, smaller teams, earlier product life cycle, etc. And static for larger products, with dynamic team composition, and longer life cycles, etc...