Page:Principles of Political Economy Vol 1.djvu/528

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506
book ii. chapter xv.§ 4.

that people are always very slow in resolving upon it, and hardly ever do so until long after a change of fortune has become hopeless. These, however, are distinctly exceptional cases, and even in these the equalization is at last effected. It may also happen that the return to equilibrium is considerably protracted, when, before one inequality has been corrected, another cause of inequality arises; which is said to have been continually the case during a long series of years, with the production of cotton in the Southern States of North America; the commodity having been upheld at what was virtually a monopoly price, because the increase of demand, from successive improvements in the manufacture, went on with a rapidity so much beyond expectation that for many years the supply never completely overtook it. But it is not often that a succession of disturbing causes, all acting in the same direction, are known to follow one another with hardly any interval. Where there is no monopoly, the profits of a trade are likely to range sometimes above and sometimes below the general level, but tending always to return to it; like the oscillations of the pendulum.

In general, then, although profits are very different to different individuals, and to the same individual in different years, there cannot be much diversity at the same time and place in the average profits of different employments, (other than the standing differences necessary to compensate for difference of attractiveness,) except for short periods, or when some great permanent revulsion has overtaken a particular trade. If any popular impression exists that some trades are more profitable than others, independently of monopoly, or of such rare accidents as have been noticed in regard to the cotton trade, the impression is in all probability fallacious, since if it were shared by those who have greatest means of knowledge and motives to accurate examination, there would take place such an influx of capital as would soon lower the profits to the common level. It is true that, to persons with the same amount of original