Growth and Technological Leadership in US Industries: A Spatial Econometric Analysis at the State Level, 1963-1997

Sectors

Models ^a

Variables

______________T ransp Ortation / U tilities______________

OLS    ___

GM-HET_______

OLS

Low

High

Constant

-0.169

0.25

-0.197

-0.197

Human capital

0.008

0.012

0.002

0.027***

Spillover human capital

0.020***

0.015

0.021***

-0.011*

Spatial domestic effect

-0.028*

-0.140**

0.002

-0.027***

Catch-up

0.025**

0.090**

0.005

0.019***

Log labor ratio

-0.880***

0.039

-1.105***

-0.653***

Log capital ratio

0.391***

-0.033

0.490***

0.303***

Spatial AR parameter

-0.140*«

R² adjusted⁰

0.48

0.66

AIC

-70.57

-95.10

LIK

42.29

54.55

JB

2.32

0.16

BPd

7.87

8.80

Chow-Wald^e

9.17

I

-0.05

0.04

LM-error

0.27

0.18

Robust LM-error

0.50

0.18

LM-Iag

0.04

0.06

Robust LM-Iag

0.28

0.06

LM-SARMA______

____________0.56___________

0.24

^,' Significance at the 1, 5 and 10% level is signaled by ***, ** and *, respectively,
^b Spatial Autoregressive parameter of the spatial error model.

^cJarque Bera test of normality of errors.

^d Breusch-Pagan test with random coefficients as the alternative hypothesis.

^, Chow-Wald test for s

Itability of coefficients across regimes.

______GM-HET______

OLS   _____GM-HET

Low       High

Low      High

0.080

-0.465

-0.400*

-0.367

-0.587

0.012*

0.046***

0.010

-0.010

0.031***

-0.024***

-0.022**

0.001

0.009

0.007

-0.046***

0.029

-0.008

-0.015

-0.025

0.039***

-0.019

0.021***

0.032***

0.025**

-0.740***

-0.563

-0.791*

-0.426

-0.804

0.329***

0.303

0.432**

0.311*

0.345

0.120***

16.41**

0.69

-48.80

31.40

5.03*

13.96**

0.400***

19.68***