Table 1.

Price effect (% change) on SOFT drink 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	4.55*	5.60*	2.12*	0.52	−0.01	−0.17	2.89*	2.55*	2.16*	0.29
	[2.77; 6.33]	[3.18; 8.03]	[0.55; 3.69]	[-1.19; 2.24]	[-2.93; 2.91]	[-4.28; 3.95]	[1.25; 4.53]	[0.74; 4.35]	[0.08; 4.23]	[-2.78; 3.35]
Announcement effect		1.02		−1.98*		−0.16		−0.68		−1.72
		[-0.62; 2.67]		[-3.63; −0.33]		[-3.09; 2.78]		[-2.25; 0.90]		[-3.79; 0.35]
Time trend (monthly)	−0.04	−0.06	0.11	0.11	0.02	0.02	0.04	0.04	−0.54*	−0.43*
	[-0.29; 0.20]	[-0.30; 0.20]	[-0.08; 0.31]	[-0.08; 0.31]	[-0.53; 0.56]	[-0.53; 0.57]	[-0.17; 0.26]	[-0.18; 0.25]	[-0.95; −0.13]	[-0.84; −0.01]
Post-tax trend (monthly)	0.13	0.14	−0.20*	−0.25*	0.94*	0.94*	−0.13*	−0.14*	−0.04	−0.14
	[-0.20; 0.46]	[-0.18; 0.47]	[-0.35; −0.06]	[-0.35; −0.15]	[0.07; 1.81]	[0.06; 1.81]	[-0.25; −0.02]	[-0.25; −0.03]	[-0.42; 0.34]	[-0.49; 0.23]
Selected ARIMA model	(1,1,0)	(1,1,0)	(1,0,1)	(1,0,0)	(0,1,1)	(0,1,1)	(1,0,0)	(1,0,0)	(1,0,0)	(1,0,0)

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. ^♦ Expected change in prices per category for pass-through estimates were: carbonates 4.0%; concentrates −2.8%; juices 3.8%; bottled waters −1.2%; sports and energy drinks 18%.