Deregulation in banking and finance may hold promise for consumers, but what actually seems to be developing is trouble. Large banks are combining into small clusters of mega-banks with national and global reach, supported by government safety nets premised on fears they are too big to be allowed to fail. One result, among several, is that retail banking suffers. Shull and Hanweck evaluate existing bank merger policy and offer workable proposals for new legislative actions that would enhance the benefits of bank mergers without exacerbating the weaknesses. They review the historical role...