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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zheng, Xiaolian Chen, Ben M. |
| Copyright Year | 2012 |
| Abstract | This paper adopts the concept of dynamic feedback systems to model the behavior of financial markets, or more specifically, the stock market from a dynamic system point of view. Based on a feedback adaptation scheme, the authors model the movement of a stock market index within a framework that is composed of an internal dynamic model and an adaptive filter. The output-error model is adopted as the internal model whereas the adaptive filter is a time-varying state space model with instrumental variables. Its input-output behavior, and internal as well as external forces are then identified. Special attention has also been paid to the recent financial crisis by examining the movement of Dow Jones Industrial Average (DJIA) as an example to illustrate the advantage of the proposed framework. Supported by time-varying causality tests, five influential factors from economic and sentiment aspects are introduced as the input of this framework. Testing results show that the proposed framework has a much better prediction performance than the existing methods, especially in complicated economic situations. An application of this framework is also presented with focuses on forecasting the turning periods of the market trend. Realizing that a market trend is about to change when the external force begins to exhibit clear patterns in its frequency responses, the authors develop a set of rules to recognize this kind of clear patterns. These rules work well for stock indexes from US, China and Singapore. |
| Starting Page | 641 |
| Ending Page | 674 |
| Page Count | 34 |
| File Format | |
| ISSN | 10096124 |
| Journal | Journal of Systems Science and Complexity |
| Volume Number | 25 |
| Issue Number | 4 |
| e-ISSN | 15597067 |
| Language | English |
| Publisher | Academy of Mathematics and Systems Science, Chinese Academy of Sciences |
| Publisher Date | 2012-08-10 |
| Publisher Place | Beijing |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Complex systems financial modeling financial systems market forecasting system economics Mathematics of Computing Systems Theory, Control Operations Research/Decision Theory Statistical Physics, Dynamical Systems and Complexity Statistics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Information Systems |
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