The consensus estimate projects 12% average annual earnings growth over the next five years.

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As for government projects, that estimate hinges largely on the perennial debate over whether more public investment would yield net benefits for the economy.

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The National Association of Realtors (NAR) conducts an annual survey of its members in 80 cities that is created by Remodeling magazine and used to estimate the return on investment for 33 home improvement projects.

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