"The health-care industry is an industry of asymmetrical information," says public health professor Michael Chung. In the jargon of medical economics, the health-care industry is an "imperfectly competitive market." It is impossible to see into the "black boxes" in which hospitals and doctors make choices, so it is difficult to judge whether they have acted properly or not.
「醫療照護產業是資訊不對等的產業，」台大醫務管理所副教授鍾國彪指出，從醫療經濟的觀點來看，醫療產業是個「不完全競爭的市場」，醫院、醫生的運作方式和表現，宛如黑箱，外界根本無從衡量。