So who in their right mind would walk out of a stable career and risk everything?

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Sergio Haddad of Educative Action, a charity, also points to the lack of a stable career path.

ECONOMIST: Start at the beginning

Some may have been lured by the siren song of Wall Street, but others may simply have concluded that it did not offer a stable career, says Hal Salzman of Rutgers University, one of the authors.

ECONOMIST: Can higher productivity fill the gap?

He had to use all the skills picked up in more than 2, 500 career skydives to recover a stable configuration and complete the dive safely.

BBC: Skydiver Felix Baumgartner fell faster than first thought

") to finishing off faded promoter Don King's dwindling stable ("I've made a career off his guys.

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In fact, get a stable of mentors for guidance on multiple aspects of your career.

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Eventually, however, he was able to use his great experience, from more than 2, 500 career dives, to correct his fall and get into a stable configuration.

BBC: Skydiver Felix Baumgartner breaks sound barrier