Uhm, no? That may be true for open access publications, but traditional publishing (with Elsevier or others) is typically free of charge.
https://www.elsevier.com/about/policies/pricing
The document can be downloaded using the link below https://www.elsevier.com/books-and-journals/journal-pricing/...
https://www.elsevier.com/journals/journal-of-financial-econo...
Maybe the Economics community has problems to find reviewers, the journal is resorting to that trick to find some balance between submitted manuscripts and available reviewers.
Yes, and Elsevier has open access journals with APCs (article publishing costs).