Table 5.
Behavior of J* according to the predictors
| Predictor | Behavior of J* | Comment |
|---|---|---|
| GDP | Parabola | Concave |
| CO2 | Linear | Decreasing slope |
| DBLD | Parabola | Convex |
| WC | Linear | Increasing or decreasing slope depending on Tav value |
| Tav | Parabola | Convex |
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