Table 2

Analysis of disposable and reusable e-cigarettes (market-store fixed-effects models)

Variables	Disposable e-cigarettes					Reusable e-cigarettes
Variables	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)
Own price elasticity	−1.096**	−1.171**	−1.162**	−1.175**	−2.135**	−1.858***	−1.851***	−1.829***	−1.871***	−2.019***
	(0.535)	(0.473)	(0.471)	(0.475)	(0.833)	(0.485)	(0.493)	(0.491)	(0.482)	(0.457)
SFA index		−2.963**	−2.925**	−3.002***	2.002		3.311	3.927	3.039	3.291
		(1.214)	(1.289)	(1.134)	(5.952)		(5.731)	(5.402)	(5.735)	(6.076)
Ln tax cigarette			−0.302					−2.501*
			(2.184)					(1.456)
Ln price cigarette				0.562	0.967				3.274	0.648
				(3.556)	(3.310)				(3.998)	(3.201)
Cross prod. price elasticity					0.535*					1.217
					(0.301)					(0.822)
Year=2009	−0.388	−1.968**	−2.012**	−1.952**
	(1.033)	(0.932)	(0.945)	(0.959)
Year=2010	−3.898***	−3.987***	−4.002***	−4.009***	−4.098***	−2.387***	−2.315***	−2.418***	−2.427***	−2.629***
	(0.348)	(0.345)	(0.361)	(0.376)	(0.478)	(0.327)	(0.318)	(0.338)	(0.341)	(0.542)
Year=2011	−1.589***	−1.613***	1.622***	−1.618***	−1.629***	−0.850***	−0.818***	−0.878***	−0.845***	−0.886***
	(0.202)	(0.201)	(0.201)	(0.212)	(0.205)	(0.254)	(0.247)	(0.254)	(0.256)	(0.266)
Quarter=2	−0.118	−0.0925	−0.0928	−0.0848	0.145	0.0309	0.0287	0.0309	0.0718	0.0576
	(0.122)	(0.118)	(0.118)	(0.133)	(0.106)	(0.106)	(0.105)	(0.105)	(0.0886)	(0.0849)
Quarter=3	0.0223	0.0703	0.0705	0.0736	0.103	−0.0649	−0.0805	−0.0755	−0.0652	−0.0640
	(0.122)	(0.126)	(0.127)	(0.129)	(0.125)	(0.108)	(0.112)	(0.114)	(0.107)	(0.109)
Quarter=4	0.473***	0.516***	0.517***	0.520***	0.489***	0.476***	0.456***	0.458***	0.474***	0.473***
	(0.138)	(0.134)	(0.134)	(0.137)	(0.110)	(0.108)	(0.111)	(0.114)	(0.103)	(0.123)
Constant	−4.643***	−2.554**	−1.164	−1.776	−3.726	−2.332	−4.426	6.846	0.202	−5.684
	(1.190)	(1.004)	(10.13)	(4.837)	(5.455)	(1.549)	(4.178)	(8.457)	(6.530)	(6.196)

Observations	569	569	569	569	459	474	474	474	474	459
R²	0.571	0.578	0.578	0.578	0.651	0.479	0.482	0.488	0.484	0.467

Year 2012 and 1st quarter are reference groups. Market-store-level dummies are not shown in the table. SEs are clustered at the market-store level. ***p<0.01, **p<0.05, *p<0.1.