One compromise is to split shared expenses proportionally to income .

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The positions leaders shared were often split along geographic lines, participants said, with leaders from the Northeast supporting an end to the ban and those from the South arguing to keep it in place.

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You can also try renegotiating shared workloads so the split favors the strengths of the problem co-worker, says Dave Logan, who teaches leadership and management at the University of Southern California's Marshall School of Business.

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