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The Boston Globe

Business

Geography, says study, can hinder upward mobility

ATLANTA — Stacey Calvin spends almost as much time commuting to her job — on a bus, two trains, and another bus — as she does working part time at a day care center. She knows exactly where to board the train and which stairwells to use at the stations so she has the best chance of getting to work on time in the morning and making it home to greet her three children after school.

“It’s a science you just have to perfect over time,” said Calvin, 37.

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