in google's eyes both are html pages, so... skin, placement, niche, content I would prefer wordpress just because is much easier to customize, you can edit the php codes, have control over you DB and many more features
So having a domain name that includes "blahblah.blogspot.com" a bad thing? What's bad about it, other than that people won't remember it?
It's about content, ad placement, traffic, niche etc. The rest is just code to the computer. The backend software is irrelevant. It's
blogger is good for people who dont wanna invest much money coz you can get it for free. wordpress is good for people who got budget to spend and you can custom&design the way you want. tell me if i'm wrong.
you seem to be correct there and wordpress has plugins for adsense stuff. making it easier to place adsense in a way or two
Well I used both but I found Blogger is more better for Adsense but it is not important about blog type. Earning should depends on good ad placements and your content.