Table 2.

Affordability of soft drinks (% change) after the taxation implemented in Chile.

	Carbonates		Juices		Concentrates		Bottled water		Energy and sport drinks
	Model 1	Model 2	Model 1	Model 2	Model 1	Model 2	Model 1	Model 2	Model 1	Model 2
Implementation effect	−4.23*	−5.77*	−2.02*	−0.78	0.42	0.70	−3.71*	−2.67*	−2.89*	−1.18
	[-5.78; −2.67]	[-7.80; −3.73]	[ −3.71; −0.70]	[-2.38; 0.83]	[-2.25; 3.08]	[-3.15; 4.54]	[-5.13; −2.28]	[-4.44; −0.90]	[-5.33; −0.45]	[-4.73; 2.36]
Announcement effect		−1.14		1.87*		0.27		0.53		1.63
		[-2.59; 0.31]		[0.33; 3.41]		[-2.41; 2.94]		[-0.99; 2.05]		[-0.86; 4.12]
General time trend (monthly)	0.08	0.05	−0.08	−0.09	0.05	0.05	−0.15*	0.00	0.63	0.53
	[-0.16; 0.32]	[-0.13; 0.23]	[-0.27; 0.10]	[-0.28; 0.10]	[-0.46; 0.56]	[-0.46; 0.56]	[-0.21; −0.09]	[-0.21; 0.21]	[-0.02; 1.29]	[-0.12; 1.19]
Post-tax time trend (monthly)	−0.17	−0.18*	0.17*	0.22*	−0.96*	−0.96*	0.10*	0.11	0.03	0.11
	[-0.52; 0.18]	[-0.33; −0.04]	[0.03; 0.30]	[0.12; 0.31]	[-1.80; −0.12]	[-1.80; −0.12]	[0.00; 0.19]	[-0.00; 0.22]	[-0.70; 0.76]	[-0.61; 0.84]
Selected ARIMA model	(2,1,2)	(2,1,1)	(1,0,1)	(1,0,0)	(1,1,0)	(1,1,0)	(2,0,0)	(1,0,0)	(0,1,0)	(0,1,0)

Model 1: ARIMAX model without announcement effect. Model 2: ARIMAX model with announcement effect. Point estimates in percent change. 95% Confidence Intervals in parenthesis. *p < 0.05.