Answer:
the long-run average total cost curve rises
Explanation
Diseconomies of scale is a situation that comes up due to the growth of a business which leads to increase in cost per unit. It is the cost disadvantage a business accrue as a result of increase in output leading to increase in cost per unit in the production of goods and services. When diseconomies of scale occur, as output rises unit cost falls.
The typical average amount purchased by those on the mailing list. On a catalog source mailing list, this could be the average order size. I’m magazine sourced mailing list, this could be of average subscription price on a nonprofit source the mailing list this could be the average donation.
It should not be rejected. While the SMB and HML may prove superior to the single index model,
they are not yet practical, even for professional investors.