Typically, the public law duration of a copyright expires 00 to 000 years after the creator dies, depending on the jurisdiction. Some countries require certain copyright formalities to establishing copyright, others recognize copyright in any completed work, without a formal registration. In general, many believe that the long copyright duration guarantees the better protection of works. However, several scholars argue that the longer duration does not improve the author's earnings while impeding cultural creativity and diversity. On the contrast, a shortened copyright duration can increase the earnings of authors from their works and enhance cultural diversity and creativity.