Table 3.
Summary statistics and correlation matrix.
| Variables | Means | S. D. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Total Cost, TCi,t | 8.65E+09 | 1.02E+10 | 1 | ||||||
| 2. | Output Units, OUi,t | 6.90E+10 | 7.93E+10 | 0.953*** | 1 | |||||
| 3 | Inflation, INi,t | 97.99 | 9.70 | −0.158* | −0.299*** | 1 | ||||
| 4. | Input Costs, ICi,t | 102.03 | 53.40 | 0.113 | −0.025 | 0.459*** | 1 | |||
| 5. | OUi,t*ICi,t | 6.93E+12 | 9.42E+12 | 0.882*** | 0.807*** | 0.030 | 0.397*** | 1 | ||
| 6 | Cost World Airlines, WACi,t | 0.1202 | 0.0173 | 0.383*** | 0.279*** | 0.388*** | 0.380*** | 0.433*** | 1 | |
| 7 | OUi,t*WACi,t | 8.69E+09 | 1.02E+10 | 0.972*** | 0.991*** | −0.242*** | 0.037 | 0.855*** | 0.350*** | 1 |
*p < 0.05, **p < 0.01, ***p < 0.001.