Research Article
Dynamic Analysis of Retailers’ Paid Membership Strategy
Table 3
Stability of stable points when
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| Stable point | | | Local stability |
| O (0, 0) | | | | | Saddle point | X (1, 0) | | | 0 | 0 | Saddle point | Y (0, 1) | | | 0 | 0 | Saddle point | Z (1, 1) | | | | | Saddle point | P | | | 0 | 0 | Instability point |
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