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Why Investors Sometimes Value Size and Diversification: The Internalization Theory of Synergy


  • Morck, R.
  • Yeung, B.


For most firms, size and diversification are correlated with lower value. However, for firms possessing substantial information-based asset, geographical diversification, line of business diversification, and growth in general, add value. This is consistent with information-based assets being a critical prerequisite for synergy, as postulated in internalization theories of synergy.

Suggested Citation

  • Morck, R. & Yeung, B., 1997. "Why Investors Sometimes Value Size and Diversification: The Internalization Theory of Synergy," Working Papers 411, Research Seminar in International Economics, University of Michigan.
  • Handle: RePEc:mie:wpaper:411

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    References listed on IDEAS

    1. Kotlikoff, Laurence J, 1984. "Taxation and Savings: A Neoclassical Perspective," Journal of Economic Literature, American Economic Association, vol. 22(4), pages 1576-1629, December.
    2. Debaere, Peter & Demiroglu, Ufuk, 2003. "On the similarity of country endowments," Journal of International Economics, Elsevier, vol. 59(1), pages 101-136, January.
    3. Leamer, Edward E. & Levinsohn, James, 1995. "International trade theory: The evidence," Handbook of International Economics,in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 26, pages 1339-1394 Elsevier.
    4. J??r??me Hericourt & Mathilde Maurel, 2000. "The Feldstein-Horioka Puzzle Revisited: An ???European-Regional??? Perspective," William Davidson Institute Working Papers Series wp763, William Davidson Institute at the University of Michigan.
    5. Feldstein, Martin & Horioka, Charles, 1980. "Domestic Saving and International Capital Flows," Economic Journal, Royal Economic Society, vol. 90(358), pages 314-329, June.
    6. Michael Mussa & Morris Goldstein, 1993. "The integration of world capital markets," Proceedings - Economic Policy Symposium - Jackson Hole, Federal Reserve Bank of Kansas City, pages 245-330.
    7. Jaume Ventura, 1997. "Growth and Interdependence," The Quarterly Journal of Economics, Oxford University Press, vol. 112(1), pages 57-84.
    8. Ethier, Wilfred J., 1984. "Higher dimensional issues in trade theory," Handbook of International Economics,in: R. W. Jones & P. B. Kenen (ed.), Handbook of International Economics, edition 1, volume 1, chapter 3, pages 131-184 Elsevier.
    9. Michael Dooley & Jeffrey Frankel & Donald J. Mathieson, 1987. "International Capital Mobility: What Do Saving-Investment Correlations Tell Us?," IMF Staff Papers, Palgrave Macmillan, vol. 34(3), pages 503-530, September.
    10. Trefler, Daniel, 1995. "The Case of the Missing Trade and Other Mysteries," American Economic Review, American Economic Association, vol. 85(5), pages 1029-1046, December.
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    JEL classification:

    • O10 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - General
    • O16 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment; Corporate Finance and Governance
    • F23 - International Economics - - International Factor Movements and International Business - - - Multinational Firms; International Business


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