The change in the law will be costly for society, Professor Mallory said.
"Taking an entourage around the world can be incredibly costly," says Simon Chadwick, professor of sports business at Coventry University.
But word of mouth "allows you to get some information about the underlying value without actually buying the movie ticket or buying the book or, what is more costly, reading the book," Professor Godes says.
That is likely only to postpone the day of reckoning and may thus prove a huge and costly mistake, says Dale Oesterle, a law professor at Ohio State University.
In a bold and costly bid to attract and hold professors, Columbia has created one of the most ambitious private elementary schools in the city -- one where 20percentt of the staff members have doctorates.
With faculty positions going unfilled, many universities have opted to hire more adjunct professors, who don't require costly tuition waivers.
But hybrid courses are rare, and teaching professors how to manage them is costly and time-consuming.
"It's become already the most destructive and most costly insect ever to invade North America," says Deborah McCullough, a professor in the Department of Entomology at Michigan State University.
First, Professor Kessler suggests, "For some, arbitration proves too costly to pursue".
Professor Gordon estimated that the agreement could be costly because of the need to hire independent consultants, who would have to inspect and certify the company's corrective actions.
