Table 6.

Estimation results for specific specializations.

Variable	Physician density
	PSPS	PSPN	PSPG	PSPI
Density of PGP	0.164***	0.150***	0.134***	0.164***
	(0.050)	(0.056)	(0.044)	(0.039)
Density of CSPa	−0.473	−0.300*	−0.555**	−0.469**
	(0.468)	(0.183)	(0.199)	(0.166)
Density of CGP	−0.322*	0.054	−0.056	−0.200**
	(0.168)	(0.085)	(0.137)	(0.092)
Density of private hospital beds	0.010	0.096*	0.067*	−0.020
	(0.043)	(0.050)	(0.038)	(0.050)
Density of public hospital beds	0.021*	−0.003	0.014	0.015
	(0.012)	(0.014)	(0.014)	(0.016)
Average income	0.132	0.354	0.314	−0.143
	(0.198)	(0.244)	(0.202)	(0.265)
Education	0.671*	0.280	0.104	1.290***
	(0.362)	(0.302)	(0.286)	(0.290)
Living area	−0.002	−0.030**	−0.017	0.002
	(0.007)	(0.013)	(0.012)	(0.009)
Observations	847	847	847	847
R2	0.706	0.755	0.572	0.716
Overidentification: χ2(13)	14.556	9.465	9.597	17.500

^aContract physician with identical specialty as the corresponding dependent variable.

PSP^S, non-contract surgeons; PSP^N, non-contract neurologist; PSP^G, non-contract gynecologists; PSP^I, non-contract internists. Intercept not reported. Bootstrapped standard errors in parentheses (50 replications).

^*Significance at 10 percent level.

^**Significance at 5 percent level.

^***Significance at 1 percent level.