Originally Posted by Maylander
No, it doesn't work.

Yes, it does. I distinctly remember swapping characters for this purpose on my first (totally unmodded) playthrough.
Maybe the bonus merchants arenīt affected by this.

Originally Posted by JDR13
Isn't there also another bug with charisma not affecting sorcerers spell casting the way it's supposed to? Iirc, charisma is supposed to be the primary stat for sorcerers in the same manner that intelligence is for mages.

I donīt think itīs a bug per se, just something that was planned to be implemented and got consciously scrapped for whatever reason. Probably a similar reason why intelligence actually doesnīt have any effect on the highest level of spells mages can cast, or why wisdom doesnīt affect magic resistance/saving throws.
Itīs definitely stupid that thereīs no stat influencing sorcererīs spells.