Model summary: (R²)

Within: 0.7783

Number of obs.: 200

Between: 0.7520

Number of groups: 20

Overall: 0.7783

Average: 10

p-value: 0.000

Wald chi²(6) = 591.27

Corr (εit, X) = 0.00

NIM

Coefficients

Std. Err.

Z-statistics

P > |z|

95% Conf. Interval

CEO

0.257

0.080

3.218

0.003

0.229

0.285

ACI

0.346

0.099

3.490

0.000

0.314

0.378

Bsize

0.151

0.035

4.283

0.197

0.073

0.229

NED

0.239

0.076

3.126

0.003

0.189

0.289

Size

0.161

0.053

3.016

0.000

0.147

0.175

Growth

0.144

0.027

5.274

0.000

0.130

0.158

Constant

0.136

0.024

5.666

0.112

0.002

0.270

sigma_u

0.024

sigma_e

0.029

rho

0.416 (fraction of variance due to u_i)