The global economy topic covers the interconnected nature of international trade, the role of globalization, and the impact of international organizations
Topic Synopsis
The global economy topic covers the interconnected nature of international trade, the role of globalization, and the impact of international organizations and trade policies on national economies.
Key Concepts & Core Principles
- Globalisation: The increasing integration of economies through trade, investment, and technology. Know its drivers (e.g., transport costs, digital tech) and impacts (e.g., lower prices, job losses in some sectors).
- Comparative advantage: A country specialises in producing goods where it has the lowest opportunity cost. This leads to mutually beneficial trade. Example: Portugal has a comparative advantage in wine, England in cloth (Ricardo's model).
- Balance of payments: A record of all transactions between a country and the rest of the world. The current account includes trade in goods and services. A deficit means imports exceed exports.
- Exchange rates: The price of one currency in terms of another. Appreciation makes exports dearer and imports cheaper; depreciation does the opposite. Factors: interest rates, inflation, speculation.
- Protectionism: Policies to restrict trade, such as tariffs, quotas, and subsidies. They protect domestic industries but can lead to retaliation and higher prices for consumers.