If this is true for your small business, trade agreements have little or no direct impact on your supply chain. Exporting goods or services to a country that has a free trade agreement with Australia means you`ll have to overcome fewer barriers to reach a foreign market. And by barriers, we mean costs such as tariffs and export tariffs, as well as duty-free trade quotas. Many also say that big business is the driving force behind these negotiations. The removal of trade quotas eliminates uncertainty. .