Coef. Of determ.

Price elasticity Coef. (gij)

Expenditure elasticity.

function

denotion

(R2)

Staple food

Livestock

Oil-fat

milks

sugar

bi

W1

Staplefood

0.9932

−0.1130

−0.0044

0.0451

−0.0054

−0.0101

−0.0383

(−1.41)

(−0.12)

(1.29)

(−0.17)

(−0.57)

(−3.22)

W2

Livestock

0.9793

−0.1782

0.0504

0.0572

0.0138

−0.0162

(−4.45)

(1.81)

(2.35)

(1.05)

(−1.82)

W3

Oil-fat

0.9293

−0.0531

−0.0033

0.0109

0.0148

(−1.93)

(−0.19)

(1.12)

(2.01)

W4

Milks

0.9493

0.0206

0.0012

0.0179

(0.89)

(0.11)

(2.58)

W5

Sugar

0.9101

−0.0108

0.0021

(−1.41)

(0.53)