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NOTE 1.07. Factors of Production: Convertibility and Valuation

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7. FACTORS OF PRODUCTION, CONVERTIBILITY AND VALUATION

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Factors of production are valued in accordance with their anticipated contribution in the eventual production of consumers' goods.

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Factors, however, differ in the degree of their specificity, that is, the variety of consumers' goods in the production of which they can be of service.

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Certain goods are completely specific, are useful in producing only one consumer's good.

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Thus when, in past ages, extracts from the mandrake weed were considered useful in healing

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ills, the mandrake weed was a completely specific factor of production.

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It was useful purely for this purpose.

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When the ideas of people changed and the mandrake was considered worthless, the weed lost its

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Other producers' goods may be relatively non-specific and capable of being used in a wide variety of employments.

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They could never be perfectly non-specific, equally useful in all production of consumers' goods,

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for in that case they would be general conditions of welfare available in unlimited abundance for all purposes.

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There would be no need to economize them.

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to economize them.

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Scarce factors, however, including the relatively non-specific ones,

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must be employed in their most urgent uses.

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Just as a supply of consumers' goods will go first towards satisfying the most urgent wants,

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then to the next most urgent wants, etc.,

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so a supply of factors will be allocated by actors

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first to the most urgent uses in producing consumers' goods,

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The Less Specific a factor is, the more convertible it is from one use to another.

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The mandrake weed lost its value because it could not be converted to other uses.

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Factors such as iron or wood, however, are convertible into a wide variety of uses.

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If one type of consumer's good falls into disuse, iron output can be shifted from that

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to another line of production.

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On the other hand, once the iron ore has been transformed into a machine, it becomes less

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easily convertible and often completely specific to the product.

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When factors lose a large part of their value as a result of a decline in the value of the

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consumer's good, they will, if possible, be converted to another use of greater value.

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If despite the decline in the value of the product, there is no better use to which the

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factor can be converted, it will stay in that line of product or cease being used altogether

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if the consumer's good no longer has value.

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For example, suppose that cigars suddenly lose their value as consumers' goods.

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They are no longer desired.

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Those cigar machines, which are not usable in any other capacity, will become valueless.

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Tobacco leaves, however, will lose some of their value, but may be convertible to uses

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such as cigarette production, with little loss of value.

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A loss of all desire for tobacco, however, will result in a far wider loss in the value

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of the factors, although part of the land may be salvaged by shifting from tobacco to

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the production of cotton.

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Suppose on the other hand that sometime after cigars lose their value, this commodity returns

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to public favor and regains its former value.

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The cigar machines, which had been rendered valueless, now recoup their great loss in

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value.

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On the other hand, the tobacco leaves, land, etc., which had shifted from cigars to other

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uses, will re-shift into the production of cigars.

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These factors will gain in value, but their gain, as was their previous loss, will be

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less than the gain of the completely specific factor.

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These are examples of a general law that a change in the value of the product causes

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a greater change in the value of the specific factors than in that of the relatively non-specific

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factors.

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To further illustrate the relation between convertibility and valuation, let us assume

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Assume that complementary factors 10x, 5y and 8z produce a supply of 20p.

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First suppose that each of these factors is completely specific and that none of the supply

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of the factors can be replaced by other units.

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Then if the supply of one of the factors is lost, say 10x, the entire product is lost,

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and the other factors become valueless.

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In that case, the supply of that factor, which must be given up or lost, equals in value

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the value of the entire product, 20p, while the other factors have a zero value.

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An example of production with purely specific factors is a pair of shoes.

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The prospect of a loss of one shoe is valued at the value of the entire pair, while the

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The other shoe becomes valueless in case of a loss. Thus, jointly, factors 10x, 5y, and 8z produce a product that is valued, say, as rank 11 on the actor's value scale, lose the supply of one of the factors, and the other complementary factors become completely valueless.

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Now let us assume, secondly, that each of the factors is non-specific, that 10x can

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be used in another line of production that will yield a product, say ranked 21st on the

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value scale, that 5y and another use will yield a product ranked 15th on the actor's

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value scale, and that 8z can be used to yield a product ranked 30th.

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In that case, the loss of 10x would mean that instead of satisfying a want of rank 11, the

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units of y and z would be shifted to their next most valuable use, and wants ranked 15th

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and 30th would be satisfied instead.

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We know that the actor preferred the satisfaction of a want ranked 11th to the satisfaction

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Convertible factors will be allocated among different lines of production according to

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to the same principles as consumers' goods are allocated among the ends they can serve.

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Each unit of supply will be allocated to satisfy the most urgent of the not yet satisfied wants,

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that is, where the value of its marginal product is the highest.

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A loss of a unit of the factor will deprive the actor of only the least important of the

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and the presently satisfied uses, that is, that use in which the value of the marginal product is the lowest.

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This choice is analogous to that involved in previous examples comparing the marginal utility of one good with the marginal utility of another.

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This lowest ranked marginal product may be considered the value of the marginal product of any unit of the factor with all uses taken into account.

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Thus, in the above case, suppose that X is a convertible factor in a myriad of different

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uses.

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If one unit of X has a marginal product of, say, 3P, a marginal product in another use

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of 2Q, 5R, etc., the actor ranks the values of these marginal products of X on his value

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scale.

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Suppose that he ranks them in this order. 4s, 3p, 2q, 5r. In that case suppose he is

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faced with the loss of one unit of x. He will give up the use of a unit of x in production

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of r, where the marginal product is ranked lowest. Even if the loss takes place in the

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production of p, he will not give up 3p, but shift a unit of x from the less valuable use

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The Theory of Money and Credit

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We now can see further why, in cases where products are made with specific and convertible

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factors, the general law holds that the value of convertible factors changes less than that

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of Specific Factors in response to a change in the value of P, or in the conditions of

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its production.

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The value of a unit of a convertible factor is set not by the conditions of its employment

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in one type of product, but by the value of its marginal product when all its uses are

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taken into consideration.

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Since a specific factor is usable in only one line of production, its unit value is

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set as equal to the value of the marginal product in that line of production alone.

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Hence in the process of valuation, the specific factors are far more responsive to conditions

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in any given process of production than are the non-specific factors.

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As with the problem of optimum proportions, the process of value imputation from consumers

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good to factors raises a great many problems which will be discussed in later chapters.

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Since one product cannot be measured against other products and units of different factors

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cannot be compared with one another, how can value be imputed when, as in a modern economy,

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The structure of production is very complex, with myriads of products and with convertible

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and inconvertible factors.

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It will be seen that value imputation is easy for isolated Crusoe-type actors, but that

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special conditions are needed to enable the value imputing process, as well as the factor

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allocating process, to take place in a complex economy.

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In particular, the various units of products and factors, not the values, of course, must

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be made commensurable and comparable.
