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