Trade Diversion

How Trade Diversion Works

Trade diversion happens when a country starts buying goods from a less efficient producer simply because that producer is part of a trade agreement offering lower tariffs or other benefits. Normally, trade flows toward the most efficient or cheapest exporter regardless of location, but trade agreements can shift this balance. For example, if Country A forms a free trade agreement with Country B, Country A might import more goods from Country B, even if Country C, outside the agreement, could produce those goods more cheaply.

This shift is not driven by efficiency or comparative advantage, but by changes in trade policy. The result is that trade is "diverted" away from the more efficient supplier to the less efficient one within the trade bloc.

Why Trade Diversion Matters

Trade diversion can have mixed effects on the economies involved. On one hand, it can strengthen economic ties within the trade agreement, promoting integration and cooperation. However, it can also lead to inefficiencies and higher costs for consumers and businesses because goods are sourced from less efficient producers.

In the long run, trade diversion can distort global trade patterns and reduce overall economic welfare. Policymakers must balance the benefits of preferential trade agreements with the potential downsides of diverting trade from more efficient global producers.

Trade Diversion vs Trade Creation

Trade diversion is often discussed alongside trade creation, but they are distinct concepts. Trade creation occurs when a trade agreement leads to imports replacing more expensive domestic production, increasing overall economic efficiency. Trade diversion, by contrast, replaces lower-cost imports from outside the agreement with higher-cost imports from within it.

While trade creation is generally positive, trade diversion can reduce the net benefits of a trade agreement. The overall impact depends on which effect dominates.

Real-World Examples

A classic example of trade diversion occurred with the formation of the European Economic Community (EEC). Some member countries began sourcing goods from fellow EEC members rather than more efficient producers outside Europe, due to tariff preferences within the community.

Similarly, when the North American Free Trade Agreement (NAFTA) was established, trade patterns shifted among the US, Canada, and Mexico, sometimes diverting trade away from more efficient producers outside the agreement.

Common Misconceptions

One common misconception is that all preferential trade agreements lead to trade diversion. In reality, the impact varies depending on the relative efficiencies of producers inside and outside the agreement.

Another misunderstanding is that trade diversion always harms consumers. While it can lead to higher prices, increased economic integration and political cooperation within trade blocs may bring other benefits that offset these costs.