Is The Registration Level Redirect Just As Effective As A Hosting Level Redirect?

In episode 120 of Semantic Mastery's weekly Hump Day Hangouts, one viewer asked if redirecting a domain on a registration level is as effective as doing it on a hosting level.
The exact question was:
Also, is the registration level redirect just as effective as a hosting level redirect? Is one better than the other for passing the link juice along?
