Generally,price signals spread slowly from patient to patient.So the degree of competition for the healthcare market is much lower than most commodity and service markets.

• 由于医疗服务的价格信息在患者之间的传播是一个缓慢的时间过程,所以医疗服务市场看似有竞争而实际上竞争程度远比一般商品和服务市场低得多。