NPM

Whole sample

Manufacturing

Services

Real estate

VAIC

Wooldridge

Autocorrelation

F (1, 103) = 7.228

0.084

F (1, 41) = 9.743

0.003

F (1, 50) = 19.545

0.000

F (1, 10) = 0.015

0.904

Breusch-Pagan

x2 (1) = 0.09

0.769

x2 (1) = = 1.21

0.271

x2 (1) = 14.5

0.000

x2 (1) = 1.06

0.303

RC

SC

HC

Wooldridge

Autocorrelation

F (1, 103) = 50.00

0.000

F (1, 41) = 22.129

0.000

F (1, 50) = 19.987

0.000

F (1, 10) = 21.331

0.001

Breusch-Pagan

x2 (1)61.67

0.000

x2 (1) = 8.62

0.003

x2 (1) = 62.25

0.000

x2 (1) = 0.24

0.627