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Dependent Variable: LNSCALE
Method: ARMA Maximum Likelihood (BFGS)
Date: 08/18/20 Time: 16:34
Sample: 1949 2018
Included observations: 70
Convergence achieved after 9 iterations
Coefficient covariance computed using outer product of gradients
Variable Coefficient Std. Error t-Statistic Prob.
C 3.706963 0.453001 8.183116 0.0000
LNECO 0.088313 0.023563 3.747999 0.0004
AR(1) 1.458899 0.105467 13.83271 0.0000
AR(2) -0.463599 0.102416 -4.526611 0.0000
SIGMASQ 0.000565 9.04E-05 6.247165 0.0000
R-squared 0.996594 Mean dependent var 5.030224
Adjusted R-squared 0.996384 S.D. dependent var 0.410063
S.E. of regression 0.024657 Akaike info criterion -4.419704
Sum squared resid 0.039518 Schwarz criterion -4.259097
Log likelihood 159.6896 Hannan-Quinn criter. -4.355909
F-statistic 4754.714 Durbin-Watson stat 2.232945
Prob(F-statistic) 0.000000
Inverted AR Roots .99 .47


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