|Repeat after me: Less is More.|
Dale did a rather extensive online investigation to determine if there really is a correlation. He has quotes from Amazon on the Kindle Forum, from the Smashwords Blog and from writers/authors on the Kindle Forums. It does appear from his research that price plays a role in the number of ebook sales, however, if the price is too low, that can also negatively impact an ebook's sales.
Panzer says, "I've said it before and I'll say it again, can't you humans add and subtract?"
Note: This is a longer than usual post, so bring a larger cup of tea.
To read the post, tootle over to ebook prices and sales