Note, however, that up to a discount of 6a, by the assumption made in this paper, work continues to be shifted to a lower cost provider, but the total technical gains beyond a discount of 2 or 3 cents are very small.
This paper assumes that higher cost providers will be used exclusively.
mnli hypothesis: This paper assumes that higher cost providers will be used exclusively. premise: Note, however, that up to a discount of 6a, by the assumption made in this paper, work continues to be shifted to a lower cost provider, but the total technical gains beyond a discount of 2 or 3 cents are very small.