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Fuzzy modelling of the Johannesburg Security Exchange overall index
Bibliography: leaves 181-206.
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| Main Author: | |
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| Other Authors: | |
| Format: | Thesis |
| Language: | English |
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Department of Statistical Sciences
2014
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| _version_ | 1867613179279835136 |
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| access_status_str | Open Access |
| author | Musongole, Chibelushi Maxwell C |
| author2 | Guo, Renkuan |
| author_browse | Guo, Renkuan Musongole, Chibelushi Maxwell C |
| author_facet | Guo, Renkuan Musongole, Chibelushi Maxwell C |
| author_sort | Musongole, Chibelushi Maxwell C |
| collection | Thesis |
| description | Bibliography: leaves 181-206. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/7711 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:00.945Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2014 |
| publishDateRange | 2014 |
| publishDateSort | 2014 |
| publisher | Department of Statistical Sciences |
| publisherStr | Department of Statistical Sciences |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/7711 Fuzzy modelling of the Johannesburg Security Exchange overall index Musongole, Chibelushi Maxwell C Guo, Renkuan Statistical Sciences Bibliography: leaves 181-206. This thesis focuses on the empirical analysis of the fuzzy feature of the Johannesburg Stock Exchange Overall Index using fuzzy logic techniques. The data for the periods 1985 - 2001 is used in the analysis. Description of the fuzzy feature is crucial to the proper understanding of the movement of the JSE Overall Index and the South African economy. The fuzzy feature of the Johannesburg Security Exchange Overall Index if understood would impact on the financial and economical decisions. A preliminary Fractal analysis is carried out before the fuzzy analysis to investigate the nature of the Johannesburg Security Exchange Overall Index. The Johannesburg Security Exchange Overall Index experiences the Hurst phenomena of long memory for periods of 100 days (approximately three months). Outside the long memory periods, the Johannesburg Security Exchange Overall Index is found to exhibit antipersistent or short-range dependency characteristics. The fuzzy feature of the Johannesburg Security Exchange Overall Index is described by many aspects of fuzzy logic. The analysis of the fuzzy feature is carried out according to time periods of approximately 4 years each of the Johannesburg Security Exchange Overall Index. The index in each time period is partitioned in three fuzzy states: "low", "middle" and "high". The fuzzy states are important in assessing the fuzzy nature of the Johannesburg Security Exchange Overall Index. The partitioning reveals that the fuzzy states of the Johannesburg Security Exchange Overall Index do not possess sharp boundaries. The sizes of the fuzzy states are found to change with time. This reflects changes in the forces behind the dynamics of the index. 2014-09-29T07:23:37Z 2014-09-29T07:23:37Z 2002 Doctoral Thesis Doctoral PhD http://hdl.handle.net/11427/7711 eng application/pdf Department of Statistical Sciences Faculty of Science University of Cape Town |
| spellingShingle | Statistical Sciences Musongole, Chibelushi Maxwell C Fuzzy modelling of the Johannesburg Security Exchange overall index |
| thesis_degree_str | Doctoral |
| title | Fuzzy modelling of the Johannesburg Security Exchange overall index |
| title_full | Fuzzy modelling of the Johannesburg Security Exchange overall index |
| title_fullStr | Fuzzy modelling of the Johannesburg Security Exchange overall index |
| title_full_unstemmed | Fuzzy modelling of the Johannesburg Security Exchange overall index |
| title_short | Fuzzy modelling of the Johannesburg Security Exchange overall index |
| title_sort | fuzzy modelling of the johannesburg security exchange overall index |
| topic | Statistical Sciences |
| url | http://hdl.handle.net/11427/7711 |
| work_keys_str_mv | AT musongolechibelushimaxwellc fuzzymodellingofthejohannesburgsecurityexchangeoverallindex |