Should the series be a serial?

I have been considering turning the series into a serial as of late. This idea was actually put into my head by my publisher and the reasoning for this was presented to me thus:

1) I write about 10,000 words a day. After all the rewrites and edits, this translates to about a book per month. Though the publishing industry has hastened certain processes in the past few years, publishing books as quickly as I can write them is not one of its new powers. Publishing smaller works would speed the ra...