Though trustees have historically depended on the wives of university presidents to serve as full-time first ladies, their acceptance of the job is no longer taken for granted.

Economists say that this new and still evolving pattern is more volatile, is less equitable in the distribution of wealth, and may be unable over the long term to produce the kinds of entry-level jobs on which New York has historically depended.

And some economists fear that in coming years the city may no longer produce the kinds of entry-level jobs upon which so many have historically depended.

Aid for the Tate Unlike American museums, which can rely on tax benefits to motivate donors, British museums have historically depended on the government to subsidize their acquisitions.

The football Cardinals have historically depended on the states of Florida and Georgia for a majority of their talent, and currently over 65% of the team's starters are from those two states.

And he leaves Ms. Reno still trying to organize her agenda and manage the 80,000-person criminal justice agency without the two top aides on whom Attorneys General have historically depended to supervise criminal and civil law issues on a daily basis.

Along with tourism, the community has historically depended on subsistence agriculture and the local fishery to provide an economic engine.

Defying skeptics who wondered how a company that had historically depended on sales of acoustic pianos into a relatively limited market could survive, Yamaha has exploited its strength in music.

The Whitney has historically depended on private collectors and donors for acquisitions of new art.

Similarly, basic cable channels like Nickelodeon and MTV, which have historically depended on reruns and music videos, are increasing their commitment to original programming.