Managing Medical Insurance——Medical behavior under the multiple information dissymmetry

Medical insurance refers to the common interest of policy-holder,insurance institution and medical institution,and there is the multiple information dissymmetry between the three of them.However,in traditional mode of medical insurance,physicians take a leading role in medical cost,which can lead medical cost to rise.It not only wastes medical resources,but also the main factor of forcing the medical insurance cost to increase rapidly.Medical insurance through insurance institution signing a contract with hospital or physicians integrates the interest between insurance institution and medical institution,and obtains the purpose of reducing medical cost.This article uses the principal-agent theory to analyze the physician behavior under the two different modes of medical insurance,and analyzes the advantages and drawbacks of managing medical insurance.