Americans are spending enough to keep the economy rolling, but don't expect them to splurge unless their paychecks start to grow.

Four years into the economic recovery, U.S. workers' pay still isn't even keeping up with inflation. The average hourly pay for a nongovernment, non-supervisory worker, adjusted for price increases, declined to $8.77 last month from $8.85 at the end of the recession in June 2009, Labor Department data show.

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