> the economist might not specialize in theories about why, when, or how much specific assets go up or down. even if he did, he might not have the skills to make actionable predictions from messy input data. doesn't mean his theories are wrong, just that someone else needs to bridge the gap between theory and application.

On top of that, it's not uncommon that experts understand the risks, unknowns and potential other choices better than early level practictioners.