Appendix Table 5C.

Event study for payment source: TEDS 2010-2015

Outcome:	Private	Medicaid	Self-pay	States and localities
Pre-expansion proportion in the expansion state group	0.087	0.173	0.109	0.521
2010*treat	0.013 (0.013)	0.005 (0.032)	0.063 (0.042)	−0.082 (0.054)
2011*treat	0.019 (0.013)	−0.005 (0.034)	0.036 (0.037)	−0.050 (0.062)
2012*treat	0.009 (0.009)	0.017 (0.030)	0.023 (0.023)	−0.049 (0.041)
2014*treat	0.013 (0.010)	0.076 (0.048)	0.005 (0.028)	−0.093 (0.057)
2015*treat	0.006 (0.016)	0.154** (0.062)	−0.012 (0.054)	−0.147** (0.066)
F-test of joint significance of policy leads (p-value)	0.5325	0.8641	0.4576	0.3115
N	133	133	133	133

Notes: All models estimated with OLS and control for state demographics, state fixed effects, and year fixed effects. Payment source state sample includes the following states: AK, AR, CO, DC, HI, IA, ID, KS, KY, MO, MS, MT, ND, NE, NH, NJ, NV, OH, PA, RI, SC, SD, TX, UT, and VT. Standard errors are clustered at the state level and are reported in parentheses. The omitted year is 2013. Early expanding states excluded from the sample.

^***;**;*=statistically different from zero at the 1%;5%;10% level.