A Two-Stage DEA to Analyze the Effect of Entrance Deregulation on Iranian Insurers: A Robust Approach

Table 6

Sensitivity analyzing of significant factors, Private and PrmtoSrp, based on the within-subject dependencies.

Predictors	Working Correlation Matrix Structure
	5-dependant		6-dependant		7-dependant
	𝐵	Hypothesis Test-Sig.	𝐵	Hypothesis Test-Sig.	𝐵	Hypothesis Test-Sig.
(Intercept)	1.291	.000	.986	.000	1.040	.000
Private	−.333	.000	−.168	.004	−.203	.000
PrmtoSrp	.013	.117	.014	.009	.009	.012
QIC^a	29.944		24.579		19.816
QICC^a	15.427		14.501		14.471
Residual normal test^b; Asymp. Sig. (2-tailed)	.067		.244		.248

^aComputed using the full log quasi-likelihood function.
^bBeing normal is not rejected at 5% level if the statistic is more than 0.05.