Balance des paiements et commerce mondial

International Trade and Payments: A Summary

This section explores international trade, focusing on the Balance of Payments, exchange rate systems, and the dynamics of free trade versus protectionism, alongside the role of globalization and the WTO.

I. The Balance of Payments (BoP)

The Balance of Payments (BoP) is a comprehensive record of all economic transactions between a country and the rest of the world. It tracks payments and receipts and is divided into three main components:

• Current Account: Records transactions involving goods, services, primary income (compensation of employees, investment income), and secondary income (current transfers like foreign aid).
  • Visible Trade Account: Exports () minus imports () of physical goods. A positive balance indicates a trade surplus, while a negative balance indicates a trade deficit.
  • Invisible Trade Account: Receipts minus payments for intangible services (e.g., banking, tourism).
• Capital Account: A smaller component covering cross-border capital transfers, such as non-financial assets (licenses, brand names).
• Financial Account: Records international investments and financial flows, including direct investments (e.g., purchasing shares of a foreign company), portfolio investments (e.g., bonds), and changes in reserve assets (foreign currencies, gold).

Transactions resulting in money flowing into the country are recorded with a positive sign, while outflows receive a negative sign. The BoP always balances due to double-entry accounting. If a country has a current account deficit, it is offset by a surplus in the capital and financial accounts, and vice-versa. Any statistical discrepancy is captured under "Errors and Omissions."

II. Imbalances in the Balance of Payments

While the overall BoP is always balanced, its sub-accounts (e.g., current account, trade balance) can be imbalanced.

a) Current Account Deficit

A current account deficit occurs when imports exceed exports (), meaning more money is leaving the country than entering.

Problems of a Large and Sustained Current Account Deficit:

• Increased borrowing from abroad, leading to higher interest payments.
• Depletion of foreign currency reserves.
• Loss of domestic assets to foreign investors if financed by financial account surpluses, potentially leading to a loss of sovereignty.
• Increased unemployment as domestic consumption favors foreign goods and services.
• Reduced capacity for economic growth due to low aggregate demand (AD).

Causes of Current Account Deficits:

• Lack of competitiveness (higher prices, poor quality, weak marketing).
• Inflexibility in adapting to market changes.

Policies to Reduce a Current Account Deficit:

• Demand-side policies:
  • Expenditure switching: Making imports more expensive (e.g., tariffs, quotas, currency devaluation/depreciation) to encourage domestic consumption. Risks include imported inflation and retaliation. The Marshall-Lerner condition states that a currency depreciation is effective if the sum of price elasticities of demand for imports and exports is greater than 1.
  • Expenditure reducing: Reducing overall spending through deflationary fiscal or tight monetary policies to curb import demand. Risks include recession and unemployment.
• Supply-side policies: Improving competitiveness by enhancing product quality and efficiency (e.g., privatization, R&D, education, tax cuts for investment).

The J-Curve Effect:

A currency depreciation initially worsens the trade deficit before improving it over time. This is because demand for imports and exports is often inelastic in the short term, as existing contracts must be fulfilled. Over time, as new contracts are negotiated, exports rise and imports fall, leading to an improvement in the balance.

b) Current Account Surplus

A current account surplus occurs when exports exceed imports (), indicating more money entering the country than leaving. While generally seen as positive, large and persistent surpluses can lead to:

• Over-reliance on other countries' economic situations.
• Risk of protectionist measures from deficit countries.
• The Dutch Disease: appreciation of the domestic currency (due to export boom) making other export sectors uncompetitive.
• Inflationary pressure (in fixed exchange rate systems or if currency is artificially undervalued).

Policies to Reduce a Surplus:

• Removing trade barriers (tariffs, quotas) to increase imports.
• Boosting aggregate demand to increase import demand.
• Currency revaluation in a fixed exchange rate system.

III. Exchange Rate Systems

The exchange rate is the price of one currency in terms of another. Three main systems exist:

a) Fixed Exchange Rate System:

The currency's value is pegged to another currency, a basket of currencies, or an asset like gold. The central bank intervenes to maintain this parity.

• Advantages: Reduced exchange rate risk, price stability, encouragement of foreign investment, simpler for travelers.
• Disadvantages: Loss of monetary policy autonomy (interest rates used to defend peg), need for large foreign currency reserves, lack of flexibility during crises, vulnerability to speculative attacks, potential for trade imbalances if the peg is set inappropriately.

b) Floating Exchange Rate System:

The currency's value is determined by market forces of supply and demand, without government intervention.

• Advantages: Monetary policy autonomy (interest rates free to address domestic issues), automatic adjustment for trade imbalances, shock absorption (currency depreciation can boost exports during recession), reduced speculative attacks, no need for large currency reserves.
• Disadvantages: Exchange rate volatility and increased uncertainty, currency risk for businesses, potential for "imported inflation" due to depreciation, and actual adjustment is not always automatic due to factors like speculation or government intervention.

c) Managed Exchange Rates:

Most real-world exchange rates are managed, meaning they are allowed to float within a certain band, but the central bank intervenes to prevent extreme fluctuations.

IV. Free Trade and Protectionism

a) Free Trade:

A system allowing goods and services to circulate freely between countries without government interference.

• Benefits: Specialization (comparative advantage), economies of scale, wider consumer choice, increased competition and efficiency, new business opportunities, access to global resources, increased economic interdependence (reducing conflict), source of foreign exchange.
• Downsides: Job displacement in developed economies, hindrance to growth in less-developed countries, environmental issues (increased transportation), potential for worker exploitation, increased wealth gap.

b) Protectionism:

Government policies aimed at limiting international trade to protect domestic industries.

• Reasons for Protectionism:
  • Infant Industry Argument: Protecting new industries until they can compete internationally.
  • Anti-Dumping: Countering foreign firms selling goods below production cost.
  • Strategic Industries: Maintaining self-sufficiency in critical sectors (e.g., defense, energy).
  • Product Standards: Ensuring imported goods meet domestic safety or quality standards.
  • Protecting Employment: Shielding domestic jobs from foreign competition.
  • Improving BoP: Though often a temporary solution.
  • Government Revenue: Tariffs can generate income.
  • Preventing Over-Specialization: Maintaining a diversified industrial base.
  • Retaliation: Responding to protectionist measures by other countries.
• Limits and Effectiveness:
  • Reduces free trade benefits, weakens industries in the long run by reducing competition, leads to higher prices and less variety for consumers, can fuel inflation if import demand is inelastic, negative multiplier effects, and carries the significant risk of trade wars.
• Methods of Protectionism:
  • Quotas: Limits on the quantity of imported goods.
  • Tariffs (Import Duties): Taxes on imports.
  • Subsidies: Government support for domestic producers.
  • Embargoes and Sanctions: Complete bans on imports.
  • Regulatory Barriers: Administrative procedures, health/safety standards that hinder imports.
  • Hidden Protectionism: Indirect measures favoring domestic goods.
  • Currency Manipulation: Artificially devaluing currency.
  • Exchange Controls: Limiting the amount of foreign currency that can be exchanged.

V. Globalization and the World Trade Organization (WTO)

a) Globalization:

The integration of national economies into the international economy through liberalized trade, foreign direct investment, capital flows, migration, and technology spread. It impacts industrial, financial, health, political, informational, competitive, ecological, cultural, technological, and legal spheres.

b) The World Trade Organization (WTO):

An international organization established in 1995 (succeeding GATT) to set rules for global trading, settle disputes, and promote free trade.

• Functions: Administering trade agreements, facilitating negotiations, handling disputes, monitoring trade policies, providing technical assistance, and cooperating with other international bodies.
• Goal: To ensure trade flows smoothly, predictably, and freely, aiming to reduce protectionism and increase global trade. The current Doha Round aims to enhance the participation of poorer countries.