CHICAGO - Chicago's revenue collections continued to slide over the last month, boosting the current budget shortfall by nearly $14 million to $64.3 million, Mayor Richard Daley's chief of staff, Paul Volpe, warned Friday.

"This downward economic trend will likely last throughout the year or longer, and despite our cost-cutting and improved management efforts, we are concerned that city revenue deficits could grow even larger," Volpe said.

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