GMAT Critical Reasoning (CR) | Some of the most prosperous nations in the world

Some of the most prosperous nations in the world
have experienced a pronounced drop in national
savings rates—the percentage of after-tax income an
average household saves. This trend will undoubtedly
continue if the average age of these nations’
populations continues to rise, since older people have
fewer reasons to save than do younger people.
Which one of the following indicates an error in the
reasoning leading to the prediction above?
(A) It fails to specify the many reasons younger
people
...

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