Some serious critics or tremendous acknowledges were circulating in each hospital merger in U.S. in the 1980s. Big debates, whether hospitals were merging together because making a profit or not, and also whether or not they were getting bigger and getting a monopoly for only profit through the merge just based on the not-for-profit status, and they were very critical issues. In order to develop the public policy that will regulate merger process of major hospitals, absolutely there was a vital need of certain evidence-based study results. The study in this article answered the doubtful questions that were surrounding in hospital mergers from 1986 to 1994. The questions were, did mergers make certain cost savings for the hospitals? if so,
