Which of the following are true statements with respect to the concept of Social Insurance?

NOTE:There are more options than there are correct answers. Select only those you believe correct. Selecting all options will result in a loss of points.

A.replaces taxation as a means of income redistributionB.is the basis of the provision of medical care to the poor, elderly, and other vulnerable population groups in the U.S.C.is the basis for most government redistribution programsD.requires mandatory participation to be effectiveE.is usually community-rated with premiums based on ability to payF.reduces externalities associated with insuranceG.can succeed with only accepting high risksH.works well in a group experience rating approach