Excludability - Wikipedia, the free encyclopedia - 0 views
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In economics, a good or service is said to be excludable when it is possible to prevent people who have not paid for it from having access to it, and non-excludable when it is not possible to do so.
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An architecturally pleasing building, such as Tower Bridge, creates an aesthetic non-excludable good, which can be enjoyed by anyone who happens to look at it. It is difficult to prevent people from gaining this benefit (although people have tried, by forbidding amateurs from taking photographs of certain sites [1]).
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The ease and availability of file sharing technology has made many forms of information, especially music, films and ebooks non-excludable, often to the disagreement of the content producers.