School of Economics and Management;
Tarbiat Modarres University (TMU);
Tehran;
Iran;
Economic Research Center (ERC);
Tarbiat Modarres University (TMU);
Tehran;
Iran;
Department of Economic Development and Planning;
School of Economics and Management;
Tarbiat Modarres University (TMU);
Tehran;
Iran;
Risk; Pooling; Risk; Sharing; Health; Care; Financing; Health; Economics; Low; and; Middle; Income;