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This paper is an innovative scientific report about the following economic problems. It considers why the stock price cannot be predicted and the function of the invisible hand and the law of supply and demand. Incidentally, it is possible to solve these by other science, for example, the systems’ analysis theory in engineering. Therefore, economic science is very rational or systematic economic systems are not black boxes. It cannot be solved with traditional science but with other science, and proved with simulations. This scientific research has the potential to be sensational for economic development; therefore, scientists across the world must be informed about its solution.

Investigative Report for Economists; “Prediction of Stock Market” and Functional “Invisible Hand” and “Law of Supply and Demand”