The article discusses how to manage knowledge, especially the kind that is not easily written down (tacit knowledge). It reviews the work of economists who study turning knowledge into information through codification. The economists have a model to explain this process. The article looks at the background of these ideas and evaluates them critically. The main focus is on when it is best to turn knowledge into information. It discusses the pros and cons of this process before deciding if it is a good idea. The conclusions talk about how this affects knowledge management and the challenges of turning knowledge into information.