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effect would follow from any improvement in those processes of what may be termed manufacture, to which the material of food is subjected after it is separated from the ground. The first application of wind or water-power to grind corn, tended to cheapen bread as much as a very important discovery in agriculture would have done; and any great improvement in the construction of corn-mills would have, in proportion, a similar influence. The effects of cheapening locomotion have been already considered. There are also engineering inventions which facilitate all great operations on the earth's surface. An improvement in the art of taking levels is of importance to draining, not to mention canal and railway making. The fens of Holland and of some parts of England are drained by pumps worked by the wind or by steam. Where works of irrigation, or where tanks or embankments are necessary, mechanical skill is a great resource for cheapening production.

Those manufacturing improvements which cannot be made instrumental to facilitate, in any of its stages, the actual production of food, and therefore do not help to counteract or retard the diminution of the proportional return to labour from the soil, have however another effect which is practically equivalent. What they do not prevent, they yet, in some degree, compensate for.

The materials of manufactures being all drawn from the land, and many of them from agriculture, which supplies in particular the entire material of clothing; the general law of production from the land, the law of diminishing return, must in the last resort be applicable to manufacturing as well as to agricultural industry. As population increases, and the power of the land to yield increased produce is strained harder and harder, any additional supply of material, as well as of food, must be obtained by a more than proportionally increasing expenditure of labour. But the cost of the material forming generally a very small portion of the entire cost of the manufacture, the agricultural labour concerned in the

production of manufactured goods is but a small fraction of the whole labour worked up in the commodity. All the rest of the labour tends constantly and strongly towards diminution, as the amount of production increases. Manufactures are vastly more susceptible than agriculture, of mechanical improvements, and contrivances for saving labour: and it has already been seen how greatly the division of labour, and its skilful and economical distribution, depend upon the extent of the market, and upon the possibility of production in large masses. In manufactures, accordingly, the causes tending to increase the productiveness of industry, preponderate greatly over the one cause which tends to diminish it: and the increase of production, called forth by the progress of society, takes place not at an increasing, but at a continually diminishing proportional cost. This fact has manifested itself in the progressive fall of the prices and values of almost every kind of manufactured goods during two centuries past; a fall accelerated by the mechanical inventions of the last sixty or seventy years, and susceptible of being prolonged and extended beyond any limit which it would be safe to specify.

Now it is quite conceivable that the efficiency of agricultural labour might be undergoing, with the increase of produce, a gradual diminution; that the price of food, in consequence, might be progressively rising, and an evergrowing proportion of the population might be needed to raise food for the whole; while yet the productive power of labour in all other branches of industry might be so rapidly augmenting, that the required amount of labour could be spared from manufactures, and nevertheless a greater produce be obtained, and the aggregate wants of the community be on the whole better supplied than before. The benefit might even extend to the poorest class. The increased cheapness of clothing and lodging might make up to them for the augmented cost of their food.

There is, thus, no possible improvement in the arts of production which does not in one or another mode exercise

from the nature of the two antagonist forces by which the productiveness of agricultural industry is determined, we must observe that what we have said of agriculture, is true, with little variation, of the other occupations which it represents; of all the arts which extract materials from the globe. Mining industry, for example, usually yields an increase of produce at a more than proportional increase of expense. It does worse, for even its customary annual produce requires to be extracted by a greater and greater expenditure of labour and capital. As a mine does not reproduce the coal or the ore taken from it, not only are all mines at last exhausted, but even when they as yet show no signs of exhaustion, they must be worked at an ever increasing cost; shafts must be sunk deeper, galleries driven farther, greater power applied to keep them clear of water; the produce must be lifted from a greater depth, or conveyed a greater distance. The law of diminishing return applies therefore to mining, in a still more unqualified sense than to agriculture; but the antagonizing agency, that of improvements in production, also applies in a still greater degree. Mining operations are more susceptible of mechanical improvements, than agricultural: the first great application of the steam-engine was to mining; and there are unlimited possibilities of improvement in the chemical processes by which the metals are extracted. There is another contingency, of no unfrequent occurrence, which avails to counterbalance the progress of all existing mines towards exhaustion: this is, the discovery of new ones, equal or superior in richness.

To resume; all natural agents which are limited in quantity, are not only limited in their ultimate productive power, but, long before that power is stretched to the utmost, they yield to any additional demands on progressively harder terms. This law may however be suspended, or temporarily controlled, by whatever adds to the general power of mankind over nature; and especially by any extension of their knowledge, and their consequent command, of the properties and powers of natural agents.

CHAPTER XIII.

CONSEQUENCES OF THE FOREGOING LAWS.

§ 1. FROM the preceding exposition it appears that the limit to the increase of production is twofold: from deficiency of capital, or of land. Production comes to a pause, either because the effective desire of accumulation is not sufficient to give rise to any further increase of capital, or because, however disposed the possessors of surplus income may be to save a portion of it, the limited land at the disposal of the community does not permit additional capital to be employed with such a return, as would be an equivalent to them for their abstinence.

In countries where the principle of accumulation is as weak as it is in the various nations of Asia; where people will neither save, nor work to obtain the means of saving, unless under the inducement of enormously high profits, nor even then if it is necessary to wait a considerable time for them; where either productions remain scanty, or drudgery great, because there is neither capital forthcoming nor forethought sufficient for the adoption of the contrivances by which natural agents are made to do the work of human labour; the desideratum for such a country, economically considered, is an increase of industry, and of the effective desire of accumulation. The means are, first, a better government: more complete security of property; moderate taxes, and freedom from arbitrary exaction under the name of taxes; a more permanent and more advantageous tenure of land, securing to the cultivator as far as possible the undivided benefits of the industry, skill, and economy he may exert. Secondly, improvement of the public intelligence; the decay of usages or superstitions which interfere with the

VOL. I.

effective employment of industry; and the growth of mental activity, making the people alive to new objects of desire. Thirdly, the introduction of foreign arts, which raise the returns derivable from additional capital, to a rate corresponding to the low strength of the desire of accumulation: and the importation of foreign capital, which renders the increase of production no longer exclusively dependent on the thrift of providence of the inhabitants themselves, while it places before them a stimulating example, and by instilling new ideas and breaking the chains of habit, if not by improving the actual condition of the population, tends to create in them new wants, increased ambition, and greater thought for the future. These considerations apply more or less to all the Asiatic populations, and to the less civilized and industrious parts of Europe, as Russia, Hungary, Spain, and Ireland.

§ 2. But there are other countries, and England is at the head of them, in which neither the spirit of industry nor the effective desire of accumulation need any encouragement; where the people will toil hard for a small remuneration, and save much for a small profit; where, although the general thriftiness of the labouring class is much below what is desirable, the spirit of accumulation in the more prosperous part of the community requires abatement rather than increase. In these countries there would never be any deficiency of capital, if its increase were never checked or brought to a stand by too great a diminution of its returns. It is the tendency of the returns to a progressive diminution, which causes the increase of production to be often attended with a deterioration in the condition of the producers; and this tendency, which would in time put an end to increase of production altogether, is a result of the necessary and inherent conditions of production from the land.

In all countries which have passed a very early stage in the progress of agriculture, every increase in the demand for food, occasioned by increased population, will always, unless

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