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by Benjamin Marks, Economics.org.au editor-in-chief

Last Thursday’s documentary Dick Smith’s Population Puzzle and the subsequent debate was devoid of economic reasoning and cutting analysis. The following points out some of the oversights, errors and one-sided reasoning from the documentary and debate.

Ignorance of the Division of Labour

Dick Smith’s most famous political crusades are those in favour of protectionism and of government-imposed immigration limits. Both these issues stem from many misunderstandings of economics (including misattributing blame to the market rather than government for supply and demand imbalances, which we will go through later), but the main one is ignorance of the division of labour. One might think Dick Smith would see fit to criticise rather than ignore it. Either Dick Smith is sincere about defending his position, or he isn’t. If he is sincere, then why has he not addressed such an important argument? In his defense, I struggle to find anyone who has actually put the argument to him. So here it is. What is the division of labour? (Get through the hugely important and clear explanation below, and if that is not incentive enough in its own right, you’ll get the bonus of jokes in the next section.) Ludwig von Mises explains:

Historically division of labour originates in two facts of nature: the inequality of human abilities and the variety of the external conditions of human life on the earth. These two facts are really one: the diversity of Nature, which does not repeat itself but creates the universe in infinite, inexhaustible variety. The special nature of our inquiry, however, which is directed towards sociological knowledge, justifies us in treating these two aspects separately.

It is obvious that as soon as human action becomes conscious and logical it must be influenced by these two conditions. They are indeed such as almost to force the division of labour on mankind. Old and young, men and women co-operate by making appropriate use of their various abilities. Here also is the germ of the geographical division of labour; man goes to the hunt and woman to the spring to fetch water. Had the strength and abilities of all individuals and the external conditions of production been everywhere equal the idea of division of labour could never have arisen. Man would never of himself have hit upon the idea of making the struggle for existence easier by co-operation in the division of labour. No social life could have arisen among men of equal natural capacity in a world which was geographically uniform …

Once labour has been divided, the division itself exercises a differentiating influence. The fact that labour is divided makes possible further cultivation of individual talent and thus co-operation becomes more and more productive. Through co-operation men are able to achieve what would have been beyond them as individuals, and even the work which individuals are capable of doing alone is made more productive. But all this can only be grasped fully when the conditions which govern increase of productivity under co-operation are set out with analytical precision.

The theory of the international division of labour is one of the most important contributions of Classical Political Economy. It shows that as long as — for any reasons — movements of capital and labour between countries are prevented, it is the comparative, not the absolute, costs of production which govern the geographical division of labour. When the same principle is applied to the personal division of labour it is found that the individual enjoys an advantage in co-operating not only with people superior to himself in this or that capacity but also with those who are inferior to himself in every relevant way. If, through his superiority to B, A needs three hours’ labour for the production of one unit of commodity p compared with B’s five, and for the production of commodity q two hours against B’s four, then A will gain if he confines his labour to producing q and leaves B to produce p. If each gives sixty hours to producing both p and q, the result of A’s labour is 20p + 30q, of B’s 12p + 15q, and for both together 32p + 45q. If however, A confines himself to producing q alone he produces sixty units in 120 hours, whilst B, if he confines himself to producing p, produces in the same time twenty-four units. The result of the activity is then 24p + 60q, which, as p has for A a substitution value of 3 : 2q and for B one of 5 : 4q, signifies a larger production than 32p + 45q. Therefore it is obvious that every expansion of the personal division of labour brings advantages to all who take part in it. He who collaborates with the less talented, less able, and less industrious individuals gains an advantage equally as the man who associated with the more talented, more able, and more industrious. The advantage of the division of labour is mutual; it is not limited to the case where work is done which the solitary individual could never have carried out.

The greater productivity of work under the division of labour is a unifying influence. It leads men to regard each other as comrades in a joint struggle for welfare, rather than as competitors in a struggle for existence. It makes friends out of enemies, peace out of war, society out of individuals.

Why doesn’t Dick Smith, Ross Gittins and other advocates of government limits on growth tackle this central issue? We know they’ve got plenty of time and money up their sleeve to spend on this topic.

Blame Government, Not Capitalism, for Bad Growth