Many product categories, from pizzas to real estate, present buyers with purchase decisions involving complex area judgments. Does a square look larger or smaller than a circle? How much smaller does a circle of 8-inch diameter look when compared to one with a 10-inch diameter? In this paper, we...

Registrars' offices at most universities face the daunting task of allocating course seats to students. Because demand exceeds supply for many courses, course allocation needs to be done equitably and efficiently. Many schools use bidding systems in which student bids are used both to infer...