The Economics Of War


Filed Under : War, Free Trade, Ludwig von Mises, Interventionism

Dr. Mises is Visiting Professor of Economies at New York University. This is abridged From a chapter of his book, Human Action (Yale University Press, 1949. 881 pages, $10.00).

The market economy involves peaceful cooperation. It bursts asunder when the citizens turn into warriors and, instead of exchanging commodities and services, fight one another.

The wars fought by primitive tribes did not affect cooperation under the division of labor. Such cooperation by and large did not exist between the warring parties before the outbreak of hostilities. These wars were unlimited or total wars. They aimed at total victory and total defeat. The defeated were either exterminated or expelled from their dwelling places or enslaved. The idea that a treaty could settle the conflict and make it possible for both parties to live in peaceful neighborly conditions was not present in the minds of fighters.

The spirit of conquest does not acknowledge restraints other than those imposed by a power which resists successfully. The principle of empire building is to expand the sphere of supremacy as far as possible. The great Asiatic conquerors and the Roman Imperators were stopped only when they could not march further. Then they postponed aggression for later days. They did not abandon their ambitious plans and did not consider independent foreign states as anything else than targets for later onslaughts.

This philosophy of boundless conquest also animated the rulers of medieval Europe. They too aimed first of all at the utmost expansion of the size of their realms. But the institutions of feudalism provided them with only scanty means for warfare. Vassals were not obliged to fight for their lord more than a limited time. The selfishness of the vassals who insisted on their rights checked the king’s aggressiveness. Thus the peaceful coexistence of a number of sovereign states originated. In the sixteenth century a Frenchman, Bo-din, developed the theory of national sovereignty. In the seventeenth century a Dutchman, Gro-tius, added to it a theory of international relations in war and peace.

With the disintegration of feudalism, sovereigns could no longer rely upon summoned vassals. They “nationalized” the country’s armed forces. Henceforth, the warriors were the king’s mercenaries. The organization, equipment, and support of such troops were rather costly and a heavy burden on the ruler’s revenues. The ambitions of the princes were unbounded, but financial considerations forced them to moderate their designs. They no longer planned to conquer a whole country. All they aimed at was the conquest of a few cities or of a province. To attain more would also have been unwise politically. For the European powers were anxious not to let any one of them become too powerful and a menace to their own safety. A too impetuous conqueror must always fear a coalition of all those whom his bigness has frightened.

The combined effect of military, financial, and political circumstances produced the limited warfare which prevailed in Europe in the three hundred years preceding the French Revolution. Wars were fought by comparatively small armies of professional soldiers. War was not an affair of the peoples; it concerned the rulers only. The citizens detested war which brought mischief to them and burdened them with taxes and contributions. But they considered themselves victims of events in which they did not participate actively. Even the belligerent armies respected the “neutrality” of the civilians. As they saw it, they were fighting the supreme war lord of the hostile forces, but not the noncombatant subjects of the enemy. In the wars fought on the European continent the property of civilians was considered inviolable. In 1856 the Congress of Paris made an attempt to extend this principle to naval warfare. More and more, eminent minds began to discuss the possibility of abolishing war altogether.

Looking at conditions as they had developed under the system of limited warfare, philosophers found wars useless. So they reasoned as follows: Men are killed or maimed, wealth is destroyed, countries are devastated for the sole benefit of kings and ruling oligarchies. The peoples themselves do not derive any gain from victory. The individual citizens are not enriched if their rulers expand the size of their realm by annexing a province. For the people wars do not pay. The only cause of armed conflict is the greed of autocrats. The substitution of representative government for royal despotism will abolish war altogether. Democracies are peaceful. It is no concern of theirs whether their nation’s sovereignty stretches over a larger or smaller territory. They will treat territorial problems without bias and passion. They will settle them peacefully. What is needed to make peace durable is to dethrone the despots. This, of course, cannot be achieved peacefully. It is necessary to crush the mercenaries of the kings. But this revolutionary war of the peoples against the tyrants will be the last war, the war to abolish war forever.

This idea was already dimly present in the minds of the French revolutionary leaders when, after having repelled the invading armies of Prussia and Austria, they embarked upon a campaign of aggression. Of course, under the leadership of Napoleon they themselves very soon adopted the most ruthless methods of boundless expansion and annexation until a coalition of all European powers frustrated their ambitions. But the idea of durable peace was soon resurrected. It was one of the main points in the body of nineteenth-century liberalism as consistently elaborated in the much abused principles of the Manchester School.

These British liberals and their continental friends were keen enough to realize that what can safeguard durable peace is not simply government by the people, but government by the people under unlimited laissez faire. In their eyes free trade, both in domestic affairs and in international relations, was the necessary prerequisite of the preservation of peace. In such a world without trade and migration barriers no incentives for war and conquest are left. Fully convinced of the irrefutable persuasiveness of the liberal ideas, they dropped the notion of the last war to abolish all wars. All peoples will of their own accord recognize the blessings of free trade and peace and will curb their domestic despots without any aid from abroad.

Most historians entirely fail to recognize the factors which replaced the “limited” war of the “ancien régime” by the “unlimited” war of our age. As they see it, the change came with the shift from the dynastic to the national form of state and was a consequence of the French Revolution. They look only upon attending phenomena and confuse causes and effects. They speak of the composition of the armies, of strategical and tactical principles, weapons and transportation facilities, and of many other matters of military art and administrative technicalities.* However, all these things do not explain why modern nations prefer aggression to peace.

* The best presentation of the traditional interpretation is provided by the book, Makers of Modern Strategy, Military Thought from Machiavelli to Hitler, ed. E. M. Earle (Princeton University Press, 1944); el. especially the contribution of R. R. Palmer, pp. 49-53.

There is perfect agreement with regard to the fact that total war is an offshoot of aggressive nationalism. But this is merely circular reasoning. We call aggressive nationalism that ideology which makes for modern total war. Aggressive nationalism is the necessary derivative of the policies of intervention and national planning. While laissez faire eliminates the causes of international conflict, socialism and government interference with business create conflicts for which no peaceful solution can be found. While under free trade and freedom of migration no individual is concerned about the territorial size of his country, under the protective measures of economic nationalism nearly every citizen has a substantial interest in these territorial issues. The enlargement of the territory subject to the sovereignty of his own government means material improvement for him or at least relief from restrictions which a foreign government has imposed upon his well-being. What has transformed the limited war between royal armies into total war, the clash between peoples, is not technicalities of military art, but the substitution of the welfare state for the laissez-faire state.

If Napoleon I had reached his goal, the French Empire would have stretched far beyond the limits of 1815. Spain and Naples would have been ruled by kings of the house of Bonaparte-Murat instead of kings of another French family, the Bourbons. The palace of Kassel would have been occupied by a French playboy instead of one of the egregious Electors of the Hesse family. All these things would not have made the citizens of France more prosperous. Neither did the citizens of Prussia win anything from the fact that their king in 1866 evicted his cousins of Hanover, Hesse-Kassel, and Nassau from their luxurious residences. But if Hitler had realized his plans, the Germans expected to enjoy a higher standard of living. They were confident that the annihilation of the French, the Poles, and the Czechs would make every member of their own race richer. The struggle for more Lebensraum was their own war.

Under laissez faire peaceful coexistence of a multitude of sovereign nations is possible. Under government control of business it is impossible. The tragic error of President Wilson is that he ignored this essential point. Modern total war has nothing in common with the limited war of the old dynasties. It is a war against trade and migration barriers, a war of the comparatively overpopulated countries against the comparatively underpopulated. It is a war to abolish those institutions which prevent the emergence of a tendency toward an equalization of wage rates all over the world. It is a war of the farmers tilling poor soil against those governments which bar them from access to much more fertile soil lying fallow. It is, in short, a war of wage earners and farmers who describe themselves as underprivileged “have-nots” against wage earners and farmers of other nations whom they consider privileged “haves.”

The acknowledgment of this fact does not suggest that victorious wars would really do away with those evils about which the aggressors complain. Neither does it mean that there can be any question of appeasing the aggressors by removing migration barriers. As conditions are today, the Americas and Australia in admitting German, Italian, and Japanese immigrants would merely open their doors to the vanguards of hostile armies.

It is futile to place confidence in treaties, conferences, and such bureaucratic outfits as the League of Nations and the United Nations. Plenipotentiaries, office clerks, and experts make a poor show in fighting ideologies. The spirit of conquest cannot be smothered by red tape. What is needed is a radical change in ideologies and economic policies . . . .

If an economically self-sufficient man starts a feud against another autarkic man, no specific problems of “war economy” arise. But if the tailor goes to war against the baker, he must henceforth produce his bread for himself. If he neglects to do this, he will be in distress sooner than his adversary, the baker. For the baker can wait longer for a new suit than the tailor can for fresh bread. The economic problem of making war is therefore different for the baker and for the tailor.

The international division of labor was developed under the assumption that there would no longer be wars. In the philosophy of the Manchester School free trade and peace were seen as mutually conditioning one another. The businessmen who made trade international did not consider the possibility of new wars.

Nor did general staffs and students of the art of warfare pay any attention to the change in conditions which international division of labor brought about. The method of military science consists in examining the experience of wars fought in the past and in abstracting general rules from it. Even the most scrupulous occupation with the campaigns of Turenne and Napoleon I could not suggest the existence of a problem which was not present in ages in which there was practically no international division of labor.

The European military experts slighted the study of the American Civil War. In their eyes this war was not instructive. It was fought by armies of irregulars led by nonprofessional commanders. Civilians like Lincoln interfered with the conduct of the operations. Little, they believed, could be learned from his experience. But it was in the Civil War that, for the first time, problems of the interregional division of labor played the decisive role. The South was predominantly agricultural, its processing industries were negligible. The Confederates depended on the supply of manufactures from Europe. As the naval forces of the Union were strong enough to blockade their coast, they soon began to lack needed equipment.

The Germans in both World Wars had to face the same situation. They depended on the supply of foodstuffs and raw materials from overseas. But they could not run the British blockade. In both wars the outcome was decided by the battles of the Atlantic. The Germans lost because they failed in their efforts to cut off the British Isles from access to the world market and could not themselves safeguard their own maritime supply lines. The strategical problem was determined by the conditions of the international division of labor . . . .

What distinguishes man from animals is the insight into the advantages that can be derived from cooperation under the division of labor. Man curbs his innate instinct of aggression in order to cooperate with other human beings. The more he wants to improve his material well-being, the more he must expand the system of the division of labor. Concomitantly he must more and more restrict the sphere in which he resorts to military action. The emergence of the international division of labor requires the total abolition of war. Such is the essence of the laissez-faire philosophy of Manchester.

This philosophy is, of course, incompatible with statolatry. In its context the state, the social apparatus of violent oppression, is entrusted with the protection of the smooth operation of the market economy against the onslaughts of antisocial individuals and gangs. Its function is indispensable and beneficial, but it is an ancillary function only. There is no reason to idolize the police power and ascribe to it omnipotence and omniscience. There are things which it can certainly not accomplish. It cannot conjure away the scarcity of the factors of production, it cannot make people more prosperous, it cannot raise the productivity of labor. All it can achieve is to prevent gangsters from frustrating the efforts of those people who are intent upon promoting material well-being.

The liberal philosophy of Bentham and Bastiat had not yet completed its work of removing trade barriers and government meddling with business when the counterfeit theology of the divine state began to take effect. Endeavors to improve the conditions of wage earners and small farmers by government decree made it necessary to loosen more and more the ties which connected each country’s domestic economy with those of other countries. Economic nationalism, the necessary complement of domestic interventionism, hurts the interests of foreign peoples and thus creates international conflict. It suggests the idea of amending this unsatisfactory state of affairs by war. Why should a powerful nation tolerate the challenge of a less powerful nation? Is it not insolence on the part of small Lapputania to injure the citizens of big Ruritania by customs, migration barriers, foreign exchange control, quantitative trade restrictions, and expropriation of Ruritanian investments in Lapputania? Would it not be easy for the army of Ruritania to crush Lapputania’s contemptible forces?

Such was ideology of the German, Italian, and Japanese warmongers. It must be admitted that they were consistent from the point of view of the new “unorthodox” teachings. Interventionism generates economic nationalism, and economic nationalism generates bellicosity. If men and commodities are prevented from crossing the borderlines, why should not the armies try to pave the way for them? . . .

Modern civilization is a product of the philosophy of laissez faire. It cannot be preserved under the ideology of government omnipotence . . . . To defeat the aggressors is not enough to make peace durable. The main thing is to discard the ideology that generates war. []

There has just been published by the Yale University Press a book that is destined to become a landmark in the progress of economics. Its title is Human Action, and its author is Ludwig von Mises . . . .


If any single book can turn the ideological tide that has been running in recent years so heavily toward statism, socialism, and totalitarianism, Human Action is that book. It should become the leading text of everyone who believes in freedom, in individualism, and in the ability of a free-market economy not only to outdistance any government-planned system in the production of goods and services for the masses, but to promote and safeguard, as no collectivist tyranny can ever do, those intellectual, cultural, and moral values upon which all civilization ultimately rests.

Henry Hazlitt, Newsweek, Sept. 19, 1949


November 1955

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