The Modigliani-Miller Theorems: A Cornerstone of Finance
Abstract
The Modigliani-Miller (MM) theorems are a cornerstone of finance for two reasons. The first is substantive and it stems from their nature of “irrelevance propositions”: by providing a crystal-clear benchmark case where capital structure and dividend policy do not affect firm value, by implication these propositions help us understand when these decisions may affect the value of firms, and why. Indeed, the entire subsequent development of corporate finance can be described essentially as exploring the consequences of relaxing the MM assumptions. The second reason for the seminal importance of MM is methodological: by relying on an arbitrage argument, they set a precedent not only within the realm of corporate finance but also (and even more importantly) within that of asset pricing.Download Info
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Paper provided by Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy in its series CSEF Working Papers with number 139.Length:
Date of creation: 01 May 2005
Date of revision:
Publication status: Published in BNL Quarterly Review, 2005, vol. 58, pages 237-47
Handle: RePEc:sef:csefwp:139
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Keywords: Modigliani-Miller theorem; capital structure; leverage; dividend policy;This paper has been announced in the following NEP Reports:
- NEP-ACC-2005-05-23 (Accounting & Auditing)
- NEP-ALL-2005-05-23 (All new papers)
- NEP-HIS-2005-05-23 (Business, Economic & Financial History)
- NEP-HPE-2005-05-23 (History & Philosophy of Economics)
- NEP-MAC-2005-05-23 (Macroeconomics)
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