MAP20140030989 John Lewis, Angelo The Mutual advantage : despite diminished numbers, mutual life mainstays endure / Angelo John Lewis Sumario: One by one, some of the largest life insurers in the United States (Prudential, MetLife and John Hancock among them) changed their structure from mutual to stock companies or mutual holding companies. By the turn of the century, the number of pure mutuals had dwindled to less than 50, from more than 300 less than 100 years before. And the majority of the survivors were small or midsize mutuals with combined capital and surplus of $250 million or less. Ranking: Top 200 U.S. combined life & health insurers 2013 En: Best's Review. - New Jersey : A.M. Best Company, 1976- = ISSN 1527-5914. - 04/08/2014 Volumen 115 Número 4 - agosto 2014 , p. 62-68 1. Mercado de seguros . 2. Grupos aseguradores . 3. Cambio estratégico . 4. Mutualidades de seguros . 5. Seguro de vida . 6. Seguro de asistencia sanitaria . 7. Perspectivas del seguro . 8. Ranking . 9. Estados Unidos . I. Título.