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

Table 1.

Regressions of estimated CES parameters: Medical students vs. ALP

	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
Medical student	0.077^****	0.058^****	0.548^***	0.451^****	0.282^****	0.448^****
	(0.010)	(0.016)	(0.210)	(0.064)	(0.026)	(0.096)
Observations	770	770	770	770	770	770
Including controls for age and gender
Medical student	0.076^****	0.052^***	0.347	0.328^****	0.254^****	0.372^****
	(0.011)	(0.019)	(0.260)	(0.081)	(0.046)	(0.113)
Observations	770	770	770	770	770	770

SEs are in parentheses.

^***

Significance at the 99% level.

^****

Significance at the 99.9% level.