Studer HP, Busato A. Forsch Komplementmed. 2011;18(6):315-20. Epub 2011 Nov 25
The study shows that primary care Homeopathy costs 15% less than the Conventional one for the Swiss basic care insurance. Authors underline the interest of CAM's also thanks to their lower secondary effects and better patient-physician relation.

Physicians certificated for CAM's are more cost-effective than non Certified CAM physicians. Abstract and comments here