Research Article
[Retracted] Mathematical Model of Quantitative Evaluation of Financial Investment Risk Management System
Table 5
Foreign trade shock risk subsystem.
| Index | The risk status | S1 | S2 | S3 | S4 |
| Y5(1): external debt/GDP | <21 | 21–24 | 26–31 | >31 | Y5(2): short-term external debt/total external debt | <16 | 14–24 | 26–36 | >36 | Y5(3): time of import supported by foreign exchange reserves (month) | >7 | 5–7 | 16-213-4 | <4 | Y5(4): current account balance/GDP | 0–4 | 3–4.5 | 4.5–5 | <0 or >5 |
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