It's odd that CBS is so secretive about this, since ED is a huge commitment. I found this:
https://www.mbadataguru.com/blog/admissi ... -analysis/He claims:
ED: 21.8%
Regular: 18.6%
That's not a big difference (
age is a more significant factor!), but we don't know what the applicant pools looked like (i.e. did ED applicants have lower GMAT scores?).
I also don't know if Columbia is as generous with financial aid for ED acceptances as they are for regular - they kind of have you in a strangle hold. All things considered, it doesn't seem that great to apply ED unless you really, really want to go to Columbia above anywhere else.