Pat Cason-Merenda had worked as a registered nurse at the Detroit Medical Center for four years, unaware that she was being underpaid. That changed when a class-action lawsuit alleged that her employer, along with seven other hospitals, had colluded to suppress the wages of more than 20,000 nurses. The suit claimed the hospitals conspired to keep pay low by inappropriately sharing information about nurses’ salaries and pay increases. By this year, the hospitals agreed to pay $90 million dollars to settle the wage-fixing case.

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