Variables

Parameter

Coefficient

Standard-error

t-ratio

Constant

beta 0

5.982

0.4818

12.416

lnx₁

beta 1

−0.1905

0.2945

−0.6468

lnx₂

beta 2

0.2987

0.3625

0.8240

lnx₃

beta 3

−0.0215

0.1752

−0.1225

$\text{ln}{x}_1^2$

beta 4

0.0510

0.1412

0.3615

$\text{ln}{x}_2^2$

beta 5

0.2185

0.1218

1.792

$\text{ln}{x}_3^2$

beta 6

0.074

0.0332

0.222

lnx₁ lnx₂

beta 7

−0.2039

0.1364

−0.1495

lnx₁ lnx₃

beta 8

−0.0495

0.594

−0.834

lnx₂ lnx₃

beta 9

−0.027

0.1065

−0.258

Variance parameters

Sigma-squared

σ²

1.11

0.0525

20.97

Gamma

γ

0.05

log likelihood function

−1327.35

Mean efficiency

0.99