Table 3.
Parameter estimates for intervention models for changes in motorcycle ownership in Dhaka.
| Region | Dhaka |
Bangladesh |
|||
|---|---|---|---|---|---|
| Data |
Survival corrected |
||||
| Model no. | D1-IA1 | D1-IA2 | D1-IA3 | B2-IA1 | B2-IA2 |
| Income per capita (Y) | 0.0284 | 0.0270 | 0.0281 | 0.0140 | 0.0147 |
| (11.93)*** | (8.50)*** | (10.83)*** | (8.37)*** | (6.43)*** | |
| Policy (P15) | 0.2802 | 0.4121 | 0.300 | 0.9614 | 0.9556 |
| (2.11)** | (2.60)*** | (2.37)*** | (5.08)*** | (4.43)*** | |
| Constant | – | – | – | −0.1527 | −0.1667 |
| (-4.14)*** | (-3.21)*** | ||||
| Autoregression parameter | – | 0.5418 | – | – | 0.2643 |
| (3.36)*** | (0.73) | ||||
| Moving average parameter | – | – | 0.440 | – | – |
| (4.21)*** | |||||
| AIC | 1.668 | −1.683 | −0.354 | −29.820 | −27.034 |
| BIC | 3.850 | 2.681 | 4.010 | −26.547 | −21.579 |
| Portmanteau test for white-noise of residuals | 18.323 (p = 0.032) | 9.284 (p = 0.412) | 9.915 (p = 0.357) | 13.340 (p = 0.148) | 10.522 (p = 0.310) |
| Bartletts test for white-noise of residuals | 1.527 (p = 0.013) | 0.468 (p = 0.981) | 0.662 (p = 0.773) | 0.999 (p = 0.271) | 0.654 (p = 0.786) |
| Estimation period | 1995–2016 | ||||
***Statistically significant at 99%.
**Statistically significant at 95%.
*Statistically significant at 90%.