Table 4 Flow values in millions of dollars in year t and percent changes \(\rho _{a}\) from \(t-1\) to t for each trade agreement.

From: Role of trade agreements in the global cereal market and implications for virtual water flows

  1. Year t indicates the year of entry into force of the trade agreement. Colors highlight the geographical region as provided by the World Bank, considering most of the countries that are part of the trade agreement. In the case of a bilateral trade agreement, the geographical position of the first country mentioned in the actual name of the treaty is taken into account to assign the color. For each region, trade agreements are sorted in descending order according to the flow value ($ million). The color and orientation of the arrows classify the percentage changes into three categories: gray for a moderate increase concerning links not covered by agreements (\(<50\%\) increase in flow intensity), yellow for a strong increase (increase \(\ge\) 50% and < 100%), and green for sharp increase (increase \(\ge\) 100%).
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