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文献出处：Amidu M. THE STUDY ON VALUATION OF SHARES AND DIVIDEND POLICY[J]. The journal of risk finance, 2017, 2(2): 136-145. 原文
THE STUDY ON VALUATION OF SHARES AND DIVIDEND
POLICY Amidu M
Although these questions of fact have been the subject of many empirical studies in recent years no consensus has yet been achieved. One reason appears to be the absence in the literature of a complete and reasonably rigorous statement of those parts of the economic theory of valuation bearing directly on the matter of dividend policy. Lacking such a statement, investigators have not yet been able to frame their tests with sufficient precision to distinguish adequately between the various contending hypotheses. Nor have they been able to give a convincing explanation of what their test results do imply about the underlying process of valuation.
EFFECT OF DIVIDEND POLICY WITH PERFECT MARKETS, RATIONAL BEHAVIOR, AND PERFECT CERTAINTY
The meaning of the basic assumptions. -Although the terms\markets,\\behavior,\and \certainty\are widely used throughout economic theory, it may be helpful to start by spelling out the precise meaning of these assumptions in the present context.
1. In \capital markets,\no buyer or seller (or issuer) of securities is large enough for his transactions to have an appreciable impact on the then ruling price. All traders have equal and costless access to information about the ruling price and about all other relevant characteristics of shares (to be detailed specifically later). No brokerage fees, transfer taxes, or other transaction costs are incurred when securities are bought, sold, or issued, and there are no tax differentials either between distributed and undistributed profits or between dividends and capital gains.
2.\behavior\means that investors always prefer more wealth to less and are indifferent as to whether a given increment to their wealth takes the form of cash payments or an increase in the market value of their holdings of shares.
3. \certainty\implies complete assurance on the part of every investor as to the future investment program and the future profits of every corporation. Because of this assurance, there is, among other things, no need to distinguish between stocks and bonds as sources of fund sat this stage of the analysis. We can, therefore, proceed as if there
were only a single type of financial instrument which, for convenience, we shall refer to as shares of stock.
The fundamental principle of valuation.- Under' these assumptions the valuation of all shares would be governed by the following fundamental principle: the price of each share must be such that the rate of return (dividends plus capital gains per dollar invested) on every share will be the same throughout the market over any given interval of time. WHAT DOES THE MARKET \
In the literature on valuation one can find at least the following four more or less distinct approaches to the valuation of shares: (1) the discounted cash flow approach;(2) the current earnings plus future investment opportunities approach; (3) the stream of dividends approach; and (4) the stream of earnings approach. To demonstrate that these approaches are, in fact, equivalent it will be helpful to begin by first going back to equation (5) and developing from it a valuation formula to serve as a point of reference and comparison
EARNINGS, DIVIDENDS, AND GROWTH RATES
The convenient case of constant growth rates.-The relation between the stream of earnings of the firm and the stream of dividends and of returns to the stock- holders can be brought out most clearly by specializing(12) to the case in which investment opportunities are such as to generate a constant rate of growth of profits in perpetuity. Admittedly,