A relative good is something that is good because people say it is good. An absolute good is something that is good because of something in itself. It is good even if there is no one around to see it. For example, an economist may say that the Mona Lisa is a very valuable economic good because it can be sold for a lot of money. A philosopher may say that the painting is good because of how it is painted. The economist sees relative good, because people may later not want to pay for it. The philosopher sees absolute good, because it will always be painted well.