I hope you all hear back soon - sending good wishes!
I had short chats (won't really call it an interview) with the respective POIs at Stanford (last week of Jan) and Columbia (early Feb).
Someone asked about my profile: I reckon I have a reasonably strong background in applied econometrics and have completed graduate level coursework in Economics. I am currently predoctoral research fellow for a celebrated professor at a top US department.
Good luck!