Research Article
Nonlinear Forecasting Model regarding Evolutional Risk of the PPP Project
Table 3
The first-order difference of
, , , and
.
| | Year/Quarter | dln R | dln X | dln Y | dln Z |
| | 2014/2 | 0.26 | 0.01 | 0 | -0.08 | | 2014/3 | -0.51 | 0.01 | 0 | 0.09 | | 2014/4 | 1.05 | -0.05 | -0.1 | -0.09 | | 2015/1 | 0.3 | -0.04 | -0.06 | -0.06 | | 2015/2 | 0.05 | -0.01 | -0.03 | -0.06 | | 2015/3 | 0.06 | 0 | -0.05 | 0.02 | | 2015/4 | -0.73 | 0.04 | 0.18 | 0.11 | | 2016/1 | -0.18 | 0.02 | 0.03 | -0.02 | | 2016/2 | 0.08 | -0.02 | -0.01 | 0.01 | | 2016/3 | 0.57 | -0.01 | -0.09 | -0.03 | | 2016/4 | 0.11 | -0.01 | -0.02 | -0.03 | | 2017/1 | 0.05 | -0.01 | -0.01 | 0.03 | | 2017/2 | 0.18 | -0.02 | -0.09 | -0.14 | | 2017/3 | -0.16 | 0.01 | 0.06 | 0.09 | | 2017/4 | 0.09 | 0.01 | -0.04 | -0.01 |
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