If the Medicare anti-kickback statute sets a minimum "floor" for low rents, what would constitute a reasonable ceiling? A hospital must take into account the special relationship that exists between itself and the medical staff. Except in extreme circumstances, where demand for services is such that unusually large profits are normal, maximum rents should be set below alternative market rents. A hospital should not use the economic monopoly created by scarce campus space to achieve higher-than-market rentals. A discounted rent level 10 percent below that charged for comparable professional medical space is a reasonable ceiling for most situations. In a stable economic environment, where rent levels are below these amounts, there is a clear opportunity to enhance profitability through a change of policy.