. 2017 Nov 16;114(48):E10291–E10300. doi: 10.1073/pnas.1705451114

Table 2.

Regressions of estimated CES parameters: Medical students in tier 1 vs. tier 2 medical schools

	Tobit		Quantile regressions
Specification and dependent variable	CCEI	${\hat{α}}_{n}$	25th: ${\hat{ρ}}_{n}$	50th: ${\hat{ρ}}_{n}$	75th: ${\hat{ρ}}_{n}$	Probit: $I ({\hat{ρ}}_{n} > 0)$
Without controls
Tier 1 school	0.045^*** (0.016)	0.063^** (0.026)	0.313 (0.283)	0.203^** (0.091)	0.025 (0.040)	0.220 (0.149)
Observations	503	503	503	503	503	503
Including controls for age and gender
Tier 1 school	0.046^*** (0.016)	0.063^** (0.026)	0.468 (0.309)	0.191^* (0.100)	0.068 (0.055)	0.265^* (0.148)
Observations	503	503	503	503	503	503

SEs are in parentheses.

Significance at the 90% level.

^**

Significance at the 95% level.

^***

Significance at the 99% level.