Quantitative Trade Controls: Their Causes and Nature

This 1943 League of Nations chapter by Gottfried Haberler defines, historicizes, and criticizes quantitative trade controls as a distinctive form of commercial policy. Its core point is that quotas and licensing are not simply stronger tariffs: they replace price-mediated adjustment with administrative permission, generate scarcity rents, invite discrimination, and pull trade policy toward planning, bargaining, and political allocation.

Quantitative controls are measures which limit the quantities – or in exceptional cases the value – of goods that may be exported or imported.

Haberler distinguishes direct controls—quotas, prohibitions, licences, monopolies, cartel allocations, and tariff quotas—from indirect controls imposed through payments regulation. Exchange control matters because rationing foreign currency also rations the right to import. Thus commercial policy and monetary administration become fused: what appears as a payments device becomes a means of determining which goods may enter, in what amounts, and for whose benefit.

Quantitative restriction is also exercised indirectly by means of foreign exchange control – that is, the regulation of the flow of money and payments which involves the regulation of the flow of goods.

The historical narrative begins in wartime emergency, when governments limited trade to conserve food, raw materials, shipping, and strategic supplies. After 1918, international conferences and League resolutions favored abolition, yet the new European order made normalization difficult. New frontiers, shortages, unstable currencies, reparations, and broken commercial networks kept controls alive, especially in central and eastern Europe. By the later 1920s many wartime devices had receded, but cartel arrangements, tariff quotas, and agricultural protections remained as precedents for later expansion.

The Depression changed the scale and meaning of these measures. Agricultural collapse first encouraged import limits on foodstuffs; then monetary disorder and unemployment pushed governments toward quotas, licensing, and exchange control as defenses against gold losses, devaluation, and import competition. Haberler treats 1931 as the decisive moment when scattered expedients became a general technique of economic defense.

The movement towards quantitative restrictions became a landslide and its essential character was changed when sterling, followed by numerous other currencies in every continent, went off gold in September.

After that point, quotas were no longer exceptional restraints on a few troublesome commodities. They became instruments of protection, recovery policy, retaliation, bilateral negotiation, and national insulation. Haberler’s analytical contrast with tariffs is central. A tariff raises import prices but still allows quantities to respond to demand, exchange rates, freight costs, and foreign supply. A quota fixes the quantity itself. That rigidity gives protected producers more certainty, but it also encourages maladjustment, cartelization, overinvestment behind the restriction, and dependence on official favor.

From being isolated measures to limit the importation of a few specific commodities, they came to be consciously used in many countries as a general instrument of protection.

The quota also creates a scarcity value that cannot be competed away by additional imports. The gain accrues to whoever receives the licence, so commercial success shifts from efficiency and market discovery toward access to administrative permission. Officials must decide which firms receive licences, which base periods count, whether new entrants are admitted, and how shares are divided among foreign suppliers. Such decisions tend to freeze existing interests, stimulate lobbying, and undermine most-favoured-nation principles, since restricted quantities must be apportioned somehow among countries.

Haberler explains the interwar spread of quantitative control through linked pressures: violent price movements, monetary instability, unemployment, external deficits, agricultural distress, retaliation, and failures of international coordination. Persistence followed from the same conditions, reinforced by nationalism, capital flight, war fears, and the usefulness of import permits in bargaining. In authoritarian economies, especially Germany, Italy, and Japan, exchange and trade controls became elements of mobilization and self-sufficiency rather than temporary depression measures.