| All prices | Just grain prices use | ||||
All by Ship | All by Ship | |||||
Intercept | −0.271 | −3.955b | −3.756b | −0.385c | −4.228c | 4.435c |
(Std. Error) | (0.215) | (1.778) | (2.008) | (0.141) | (1.093) | (1.225) |
Border | 0.331 |
| 0.064 | 0.254 |
| −0.053 |
(Std. Error) | (0.251) |
| (0.299) | (0.165) |
| (0.176) |
Distance |
| 0.456b | 0.428a |
| 0.468c | 0.486c |
(Std. Error) |
| (0.206) | (0.245) |
| (0.127) | (0.149) |
| 0.014 | 0.070 | 0.052 | 0.026 | 0.196 | 0.179 |
| As Crow Flies for US Ports | As Crow Flies for US Ports | ||||
Intercept | −0.271 | −2.605a | −3.440 | −0.385c | −2.787c | −4.493c |
(Std. Error) | (0.215) | (1.315) | (2.104) | (0.142) | (0.825) | (1.275) |
Border | 0.331 |
| −0.227 | 0.254 |
| −0.473a |
(Std. Error) | (0.251) |
| (0.444) | (0.165) |
| (0.269) |
Distance |
| 0.306a | 0.425 |
| 0.307c | 0.505c |
(Std. Error) |
| (0.155) | (0.281) |
| (0.097) | (0.170) |
| 0.014 | 0.052 | 0.032 | 0.026 | 0.146 | 0.178 |
| By Highway for US Ports | By Highway for US Ports | ||||
Intercept | −0.271 | −2.928b | −3.684a | −0.385c | −3.099c | −4.606c |
(Std. Error) | (0.215) | (1.410) | (2.116) | (0.142) | (0.881) | (1.282) |
Border | 0.331 |
| −0.197 | 0.254 |
| −0.403 |
(Std. Error) | (0.251) |
| (0.409) | (0.165) |
| (0.248) |
Distance |
| 0.343b | 0.449 |
| 0.343c | 0.555c |
(Std. Error) |
| (0.166) | (0.277) |
| (0.104) | (0.168) |
| 0.014 | 0.059 | 0.044 | 0.026 | 0.160) | 0.184 |