Fixed Effects

Table 1. Type III Tests of Fixed Effects for autoregressive covariance model
Source Numerator df Denominator df F Sig.
Intercept 1 914.712 13198.641 .000
COUPVAL 3 1389.822 5.276 .001
SEQ 3 1133.272 1.824 .141
CARRY 3 1192.157 .445 .721
WEEK 2 1050.564 .010 .990

As in the random effects model, COUPVAL is the only statistically significant factor.

Figure 1. Estimates of fixed effects for autoregressive covariance model
Estimates of fixed effects for autoregressive covariance model

However, the standard errors of the estimates are reduced, so that the difference between the 5 percent [COUPVAL=2] and 25 percent [COUPVAL=4] levels is on the cusp of statistical significance, 0.051.

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