Commodity | Oranges | Lemons | Tangerines | |||||||||
Coeffi. | t-stat. | Prob. | Coeffi. | t-stat. | Prob. | Coeffi. | t-stat. | Prob. | ||||
A | −2.24 | −3.96 | 0.001 | 1.34 | 3.90 | 0.001 | 1.91 | 4.76 | 0.000 | |||
LnP1 | 0.04 | 0.18 | 0.861 | 0.02 | 0.12 | 0.909 | −0.05 | −0.35 | 0.730 | |||
LnP2 | −0.43 | −3.33 | 0.005 | 0.22 | 2.87 | 0.012 | 0.21 | 2.26 | 0.039 | |||
LnP3 | 0.85 | 2.29 | 0.037 | −0.44 | −1.95 | 0.070 | −0.42 | −1.58 | 0.136 | |||
Ln (E/Pspi) | 0.33 | 6.09 | 0.000 | −0.12 | −3.59 | 0.003 | −0.21 | −5.55 | 0.000 | |||
Adj. RSq. | 0.81 | 0.49 | 0.82 | |||||||||
Breusch-Godfrey Serial Correlation LM Test: | 0.444 | 0.650 | 1.031 | 0.382 | 1.308 | 0.302 | ||||||
Heteroskedasticity Test: ARCH | 0.269 | 0.612 | 0.957 | 0.345 | 0.143 | 0.711 | ||||||
Normality test: Jarque-Bera | 10.924 | 0.404 | 0.230 | 0.891 | 17.763 | 0.370 | ||||||