These online exchanges are not simply another outlet for already deeply involved parents, although they certainly are that.

These online exchanges usually start out as spot markets, where excess inventories are sold.

The online exchange, allegedly between teachers at the school, prompted anger among parents.

But online exchanges deal primarily in cash and have a bigger market in mind.

Continental presents a particularly good case study of the uses and limits of online exchanges.

Q. So what sort of industrial markets will be most suited to online exchanges?

Q. Even in those industries, proponents say, online exchanges are a great way to unload excess inventory.

It was also announced that an online exchange would be provided to allow for the exchange of buildings.

For doctors, the convenience of online exchanges can be considerable.

It was in a consortium of airlines building an online exchange to buy aircraft parts.