Diversification, Relatedness, and Performance
Diversification strategy determines both the scope of a firm's activities and the logic of portfolio composition. It is a cornerstone of corporate strategy, and, according to prevailing theory, it is of paramount relevance for performance. Frithjof Pils p
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GABLER EDITION WISSENSCHAFT
Frithjof Pils
Diversification, Relatedness, and Performance With a Foreword by Prof. Dr. Andreas Bausch
GABLER EDITION WISSENSCHAFT
Bibliographic information published by the Deutsche Nationalbibliothek The Deutsche Nationalbibliothek lists this publication in the Deutsche Nationalbibliografie; detailed bibliographic data are available in the Internet at http://dnb.d-nb.de.
Dissertation Jacobs University Bremen, 2008
1st Edition 2009 All rights reserved © Gabler | GWV Fachverlage GmbH, Wiesbaden 2009 Editorial Office: Frauke Schindler / Anita Wilke Gabler is part of the specialist publishing group Springer Science+Business Media. www.gabler.de No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the copyright holder. Registered and/or industrial names, trade names, trade descriptions etc. cited in this publication are part of the law for trade-mark protection and may not be used free in any form or by any means even if this is not specifically marked. Cover design: Regine Zimmer, Dipl.-Designerin, Frankfurt/Main Printed on acid-free paper Printed in Germany ISBN 978-3-8349-1404-0
Foreword A large body of business strategy literature examines the relationship between (product) diversification and firm performance. From a conceptual point of view, increasing levels of diversification should have positive effects on firm performance, particularly due to economies of scope and scale, market power influence, and risk reduction. At the same time, diversifiers have to cope with substantial negative effects associated with increasing complexity. Unsurprisingly, the results of extensive empirical analyses of diversification effects on performance are somewhat contradictory. Against this background, Frithjof Pils answers two central research questions: First, what overall relationship exists between diversification strategies and firm performance? Secondly, what newly developed indicators of business relatedness can add to the understanding of the performance implications of diversification strategies? Frithjof Pils chooses a topic which is of high practical relevance since the decision in which businesses a firm wants to be in is at the core of corporate strategy. His research objectives are well developed based on a sound description of the current research status. The empirical approaches applied reflect a suitable research design in order to answer the research questions at hand. The combination of narrative review, metaanalysis and primary empirical research indicates the wide range of the author‘s methodological knowledge. Overall, the author significantly contributes with this thesis to a comprehensive understanding of the drivers that influence the success of diversification strategies – and of those that are of less relevance. The different empirical studies are based on sound theoretical analyses and argument
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