MAP20071508051 Morgan, Ivor Growing negative services / Ivor Morgan, Jay Rao Negative services, those that are needed in emergencies, when problems arise or to ensure against unwanted outcomes, are part of most businesses and central to many. Their very nature presents unique growth challenges En: Sloan management review. - Boulder. - Vol. 47, nº 3, Spring 2006 ; p. 69-74 1. Empresas de servicios . 2. Estrategia empresarial . 3. Servicio al cliente . 4. Satisfacción del cliente . 5. Management . I. Rao, Jay . II. Title. III. Título: Sloan management review.