In TTK

Robust

Coef.

Std. Err

z

p > [z]

GDPTK

0.6992912

0.2165779

3.23

0.001

TCTK

0

_cons

9.833991

1.568536

6.27

0.000

Sigma_u

0

Sigma_e

2.6192616

Rho

0 (fraction of variance due to u_i)