Which option best describes Castronova's work on game economies? Group of answer choices He determined that the that law of demand that explains real world economic behavior predicted people's economic choices in video games He determined that people's economic behavior in games mirrored real world economic behavior, but only for medical-related items He determined that game designers could use the law of elasticity to price fix items and make more money from their games He determined that the unique properties of game economies usually generates problematic "gold farming