Variable Description | Parameter Estimate | t-Statistic | |
Constant | 1.882 (0.153) | 29.937 (6.100) | |
Log of highway freight volumes (in ten thousands) | 0.016 (0.041) | 6.298 (10.575) | |
Log of railway freight volumes (in ten thousands) | 0.005 (0.019) | 2.989 (4.087) | |
Log of paved roads (in km2) | 0.007 (0.006) | 1.309 (13.774) | |
Log of highway passenger volume (in ten thousands) | 0.017 (0.056) | 4.673 (5.323) | |
Log of fixed asset investment (in millions of 2010$USD) | 0.051 (0.029) | 7.837 (5.015) | |
Log of urbanization rate | 0.313 (0.307) | 7.296 (6.516) | |
Log of public transportation unit per person | 0.021 (0.007) | 6.541 (22.617) | |
Log of highway congestion rate | −0.031 (0.300) | -5.870 (23.048) | |
Log of labor participation rate | 3.110 (0.406) | 18.883 (6.387) | |
Log of industrial sector’s contribution to gross city product | 0.127 (0.016) | 17.143 (18.128) | |
Log of service sector’s contribution to gross city product | 0.362 (0.101) | 9.545 (9.102) | |
Number of observations | 3081 | ||
Log-likelihood at zero LL(0) | −4067.839 | ||
Log-likelihood at convergence LL(β) | −802.681 | ||
| 0.803 |