That symbolic Euro is important because it makes the deal a purchase instead of a gift. Legally, the consequences are significant. There are numerous situation

That symbolic Euro is important because it makes the deal a purchase instead of a gift. Legally, the consequences are significant. There are numerous situations when paying nothing for something is entirely reasonable, for example when you are getting nothing (or even worse) in return (eg: bailout), or when you are giving something else in return (eg: future cooperation, access to new technology, access to a new market, etc.)