The target-date model and age-in-bonds model reduce equity exposure in the later years while the flight path model holds risk constant.

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Many young people have far less appetite for equity risk than the age-based model assumes.

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Others can stick with the traditional, industrial-age model.

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Business competition no longer follows the industrial-age model.

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The second is an age-in-bonds model (green) that shifts 1 percent from equity to bonds every year.

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Today, this rule-of-thumb is called an age-based asset allocation model.

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Traditional Mexican cuisine is a comprehensive cultural model comprising farming, ritual practices, age-old skills, culinary techniques and ancestral community customs and manners.

UNESCO: Culture

Google changed the age-old bond of handset manufacturers and their operating systems and created a new and profitable business model.

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There is a long history of schools using technologies to, in effect, sustain the chalkboard and prop up the 20th-century factory model classroom with the teacher in front of 20 to 30 students of the same age.

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Then there is the Atomium, a giant-sized more-or-less model of an atom put up in 1958 as a tribute to the potential of the nuclear age.

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That it was a subscription-based MMO in an age of free-to-play online games only made matters worse, and EA moved the game to a F2P model in 2012.

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