Book Review The Economics of Health and Medical Care Third edition. By Philip Jacobs. 377 pp. Rockville, Md., Aspen, 1991. $39.95. The Profit Motive and Patient Care: The changing accountability of doctors and hospitals (A Twentieth Century Fund Report.) By Bradford H. Gray. 440 pp. Cambridge, Mass., Harvard University Press, 1991. $37.50. Regulating Doctors' Fees: Competition, benefits, and controls under medicare Edited by H.E. Freeh III. 446 pp. Washington, D.C., American Enterprise Institute, 1991. $40.25. Too Old for Health Care? Controversies in Medicine, Law, Economics, and Ethics Edited by Robert H. Binstock and Stephen G. Post. 209 pp. Baltimore, Johns Hopkins University Press, 1991. $50 (cloth); $18.95 (paper). Quality and Cost Containment in Care of the Elderly: Health services research perspectives Edited by James C. Romeis and Rodney M. Coe. 236 pp. New York, Springer Publishing, 1991. $42.95.