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: : The question about my labor value theory is shown. : First, it quotes from two books which have been written about the labor value theory and which were generally known well. : Adam Smith "Wealth of Nations : Quotation start : ................................... : IN that early and rude state of society which precedes both　 : the aculation of stock and the appropriation of land, the : proportion between the quantities of labour necessary for : acquiring different objects seems to be the only cirstance : which can afford any rule for exchanging them for one another. : If among a nation of hunters, for example, it usually costs twice　the labour to kill a beaver which it does to kill a deer, one　beaver should naturally exchange for or be worth two deer. : It is　natural that what is usually the produce of two days' or two　hours' labour, should be worth double of what is usually the　produce of one day's or one hour's labour. : .................................. : Quotation end : Now, Adam Smith advanced the comparative advantage theory as explanation of exchange. : "Correction of principle-Marx economics criticism and modern economics of economics" Kaneko Hajime Bunshindo Co., Ltd. 1995 It quotes from P112. : Quotation start : ................................... : People connect a certain exchange relation because the direction which participates in exchange is profit rather than self-sufficient. If the profits of this exchange are related with labor, they are : " If it tries to make the useful thing of a certain personally, it will purchase with the products of him self’s far more nearly little than the amount's of labor which was probably spent labor." a certain useful thing, as Smith's stated. That is, in order to perform exchange, all participants have to shorten their labor. In other words, People have to get the profits of obtaining more useful things in the same working hours. : ................................... : Quotation end : Verify a labor value theory with the view of this comparative advantage. : The goods with which two constituents of the simplest society are produced should consider the model two. : The capture time of the beaver and deer of Mr. A and Mr. B is umed as follows. : Mr. A 　One beaver is 2 hours. : One deer is 1 hour. : Mr. B One beaver is 16 hours. : One deer is 2 hours. : : 1. Exchange by Comparative Advantage Theory : If Mr. B supplies a deer in the larger range fewer than 8 than 2 to Mr. A supplying a beaver one time, it will be the convertible ratio which both sides get profits and carries out appropriate to a comparative advantage theory. : As an example, I will consider the case where it is exchanged in Mr. A's beaver 1, and Mr. B's deer 4. : In Mr. Ａ, it is as follows. : Supposing Mr. A refuses exchange and he gets by capture, the time (I write it as self-sufficiency after this.) which is probably needed is 4 hours. The time (I write it as exchange after this.) which is probably needed for Mr. A capturing the thing ped to a partner by exchange is 2 hours. : Loss of the working hours after exchange (self-sufficiency-exchange) +2 hours : In Mr. B, it is as follows. : Self-sufficiency is 16 hours. : Exchange is 8 hours. : Loss of the working hours after exchange is +8 hours. : : Therefore, in this example, Mr. A and Mr. B are shortening working hours. : : 2. Exchange by Labor Value Theory : In this case, the case where the ratio of the amount of labor and the convertible ratio of goods that were dropped by production of goods are in agreement is applied to exchange by the labor value theory. : When exchanged in Mr. A's beaver 1, and Mr. B's deer 1. : In this exchange, both the working hours of Mr. A and Mr. B are 2 hours, and the worth of a thing of being exchanged is the same. : In Mr. Ａ, it is as follows. : Self-sufficiency is 1 hour. : Exchange is 2 hours. : Loss of the working hours after exchange is -1 hour. : In Mr. B, it is as follows. : Self-sufficiency is 16 hours. : Exchange is 2 hours. : Loss of the working hours after exchange is +14 hours. : : Since Mr. A cannot shorten working hours, the exchange by the labor value theory of 2 is not the example of exchange which carries out appropriate to a comparative advantage theory : In this model, it turns out that exchange by the labor value theory is not necessarily settled in the range of a comparative advantage theory that carries out appropriate. : Thus, labor value theory is not materialized like a kind of faith in actual economy.

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