Intra-Regional Trade Shares

Definition:

The Intra-Regional Trade Share of a country refers to the proportion of that country’s total trade (imports and exports) conducted within a specific region compared to its global trade. It measures how integrated a country is with its regional trading partners relative to the rest of the world.

Significance:

  • Economic Integration: It indicates the degree of economic integration within a region. A higher share suggests strong trade links and interdependence with regional partners.
  • Regional Development: Encouraging intra-regional trade can stimulate economic growth, create jobs, and develop industries within the region.
  • Resilience: Countries with higher intra-regional trade shares may be less vulnerable to global economic shocks, as their trade is concentrated in a familiar and potentially more stable environment.
  • Trade Policies: It helps in evaluating the success of regional trade agreements, customs unions, or free trade zones.

Formula:

The intra-regional trade share is calculated by dividing the value of a country’s trade (exports and imports) with countries in the same region by the country’s total global trade (the sum of exports and imports worldwide), then multiplying by 100 to express it as a percentage.

Interpretation:

  • A high intra-regional trade share means that the country trades a large proportion of its goods and services within its own region. This can indicate strong regional economic ties, reliance on regional markets, or proximity-based advantages.
  • A low intra-regional trade share suggests that the country depends more on trade with countries outside its region, which may reflect global trade diversification or limited regional trade agreements.

Range:

  • 0% to 100%:
    • 0% means the country does not trade at all with other countries in the region.
    • 100% means all of the country’s trade is with countries within the region.
    • Most countries will fall somewhere between these extremes, with shares typically reflecting the strength of regional trade networks.

Limitations:

  • Narrow Focus on Region: It only captures regional trade dynamics and overlooks broader global integration, which might be equally or more important for the country.
  • Regional Definition: The results can vary depending on how regions are defined, making it difficult to compare across studies if different regional classifications are used.
  • Does Not Reflect Trade Quality: The measure focuses on trade volume or value, not the quality or economic value added from such trade, which could provide a more nuanced understanding.
  • External Factors: Political, geographical, or historical factors influencing regional trade are not captured, which might affect the interpretation of the trade share.
  • Exclusion of Services: Some calculations may focus mainly on goods trade, potentially overlooking the significance of intra-regional services trade, which is increasingly important in modern economies.

North America

The Caribbean Islands

Latin America

Sub-Saharan Africa

Middle East and North Africa

European Union or Economic Area

Non-European Union and Non-Economic Area

Central Asia

South Asia

Southeast Asia

East Asia

Oceania

The Pacific Islands