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The general theory of employment, interest and money / by John Maynard Keynes
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CH. 12 LONG-TERM EXPECTATION 155

really worth to a man who buys itfor keeps, but with what the market will value it at, under the influence of mass psychology, three months or a year hence. More- over, this behaviour is not the outcome of a wrong- headed propensity. It is an inevitable result of an investment market organised along the lines described. For it is not sensible to pay 25 for an investment of which you believe the prospective yield to justify a value of 30, if you also believe that the market will value it at 20 three months hence.

Thus the professional investor is forced to concern himself with the anticipation of impending changes, in the news or in the atmosphere, of the kind by which experience shows that the mass psychology of the market is most influenced. This is the inevitable result of investment markets organised with a view to so- calledliquidity. Of the maxims of orthodox finance none, surely, is more anti-social than the fetish of liquidity, the doctrine that it is a positive virtue on the part of investment institutions to concentrate their resources upon the holding ofliquid securities. It forgets that there is no such thing as liquidity of investment for the community as a whole. The social object of skilled investment should be to defeat the dark forces of time and ignorance which envelop our future. The actual, private object of the most skilled invest- ment to-day isto beat the gun, as the Americans so well express it, to outwit the crowd, and to pass the bad, or depreciating, half-crown to the other fellow.

This battle of wits to anticipate the basis of con- ventional valuation a few months hence, rather than the prospective yield of an investment over a long term of years, does not even require gulls amongst the public to feed the maws of the professional;it can be played by professionals amongst themselves. Nor is it necessary that anyone should keep his simple faith in the con- ventional basis of valuation having any genuine long- term validity. For it is, so to speak, a game of Snap,