Quantity surcharges occur when retailers carry a product in two sizes and offer a promotion on the small size: the large size then costs more per unit than the small one. When quantity surcharges occur, sales of the large size decline only slightly even though the same quantity can be purchased...

The popularity of StubHub, an event ticket secondary market, has led several state legislatures to repeal price ceilings on the resale of event tickets. Some have criticized this repeal, arguing that prices on the secondary market will rise dramatically as a result, to the detriment of...