Research Article
Nonlinear Forecasting Model regarding Evolutional Risk of the PPP Project
Table 1
The original risk data of The Yiyang-Loudi High Speed PPP Project.
| Year/ Quarter | The observed value of overall risk () | The superiority and stability evaluation value of macro environment () | The superiority and stability evaluation value of micro environment () | The evaluation value of subject ability and cooperation level () |
| 2014/1 | -4.2%×100=4.2 | 98.1 | 91.9 | 93.8 | 2014/2 | -5.5%×100=5.5 | 99.3 | 92.2 | 86.6 | 2014/3 | -3.3%×100=3.3 | 99.6 | 91.5 | 94.3 | 2014/4 | -9.4%×100=9.4 | 95.4 | 83.5 | 86.9 | 2015/1 | -12.7%×100=12.7 | 91.4 | 79.3 | 81.8 | 2015/2 | -13.3%×100=13.3 | 90.9 | 76.6 | 76.5 | 2015/3 | -14.1%×100=14.1% | 91.2 | 71.9 | 78.4 | 2015/4 | -6.8%×100=6.8% | 94.5 | 86.9 | 87.1 | 2016/1 | -5.7%×100=5.7% | 96.2 | 89.1 | 85.5 | 2016/2 | -6.2%×100=6.2% | 94.6 | 88.5 | 86.2 | 2016/3 | -10.9%×100=10.9% | 93.3 | 80.7 | 83.7 | 2016/4 | -12.2%×100=12.2% | 92.4 | 81.2 | 81.5 | 2017/1 | -12.8%×100=12.8% | 91.1 | 78.9 | 83.9 | 2017/2 | -15.3%×100=15.3% | 89.2 | 72.2 | 73.1 | 2017/3 | -13.1%×100=13.1 | 90.8 | 77.3 | 79.6 | 2017/4 | -14.3%×100=14.3 | 91.9 | 73.4 | 78.9 |
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