In Town, for example, contends that Marriott took rebates for long-distance services, newspapers and other goods it bought through Avendra from AT&T, USA Today and American Express.
The report, conducted with K2 Intelligence, the consultancy founded by Jeremy and Jules Kroll, found that "non-transparent" practices such as taking rebates are "pervasive" in theUS.
Some big pharmacy benefit companies have been accused of taking rebates from manufacturers to promote their most expensive drugs over cheaper alternatives.
Pharmacy benefit managers have been the target of criticism for taking rebates from drugmakers.
It found that, after taking rebates into account, Medicaid, which provides health care for low-income families with children, paid less than half of what Part D did for 110 of the drugs.
He argued that, even if the tax's proceeds were rebated to needy drivers, they would be forced to take the rebates and go out and buy gas with them.
You can be pretty sure that it will take more rebates to move three-door pickups than to move four-door pickups.
The report does not even take into account direct rebates from manufacturers that insurers and benefit managers can get for increasing a manufacturer's market share in a particular drug field.
"I have cheerfully paid my taxes for years and will cheerfully take a rebate," said Ms. Brogan, who lives in Birmingham, Mich., a wealthy Detroit suburb, with her husband, Michael, also an advertising agency executive.
