Table 2

Empirical findings: estimates of equation (1)

Variable/ModelParameter(1)(1b)(1c)(1d)(1e)(1f)
Infrastructure investmentLong-run0.69*** [0.06]0.63*** [0.06]0.68*** [0.06]0.70*** [0.06]0.62*** [0.07]0.71*** [0.06]
Short-run0.49*** [0.06]0.42*** [0.06]0.48*** [0.06]0.49*** [0.06]0.49*** [0.07]0.47*** [0.06]
Demand growthLong-run0.06 [0.08]0.25** [0.12]0.09 [0.09]0.01 [0.08]0.22 [0.13]0.03 [0.09]
Short-run0.06 [0.08]0.25*** [0.12]0.09 [0.09]0.01 [0.08]0.22 [0.13]0.03 [0.09]
Inflation rateLong-run−0.03*** [0.01]−0.03*** [0.01]−0.04*** [0.01]−0.02** [0.01]−0.02** [0.13]−0.03** [0.01]
Short-run−0.01 [0.01]−0.01 [0.01]−0.02[0.01]−0.01 [0.01]−0.008 [0.01]−0.01 [0.01]
Terms of tradeLong-run 0.35* [0.17]  0.35* [0.19] 
Short-run 0.35*** [0.17]  0.35* [0.19] 
Real exchange rateLong-run  0.07 [0.12]  0.09 [0.11]
Short-run  −0.04 [0.12] 0.02 [0.02]
Labor costLong-run   −0.15* [0.08]−0.07 [0.09]−0.18* [0.09]
Short-run  0.02 [0.08]0.10 [0.09]−0.09 [0.09]
Best model(2, 3, 0, 1)(2, 3, 0, 1, 0)(2, 3, 0, 1)(2, 3, 0, 1, 2)(2, 3, 0, 1, 0, 2)(2, 3, 0, 1, 2, 2)
BG test (p-value)0.870.550.640.680.800.66
Bound F-test0.000.000.020.000.000.00
Ect. (p-value)−0.88*** [0.16]−0.86*** [0.16]−0.84*** [0.16]−0.88*** [0.16]−0.85*** [0.15]−0.85*** [0.16]

Note(s): (a) Standard errors are in brackets; (b) regressions were performed with the introduction of a time trend; (c) the intercept and trend parameters are not presented due to limited space, but are available upon request; (d) *, ** and *** mean, respectively, statically significant at 10, 5 and 1% and (e) the lag for each variable utilized in our regressions was determined based on the Akaike information criterion (AIC)

Source(s): Table by authors

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