Trade and investment liberalization, food systems change and highly processed food consumption: a natural experiment contrasting the soft-drink markets of Peru and Bolivia

Table 5 Between-country difference-in-difference estimates for log_e rate of change in soft-drink imports per capita before and after ratification (2006) and enforcement (2009) of the US-Peru FTA

Year	Estimate	Unadjusted	Adjusted for GDP	Adjusted for GDP & time trends	N
2006	Diff-in-diff	−0.65 (0.5)	−0.62 (0.51)	−0.66 (0.50)	28
2006	R²	0.07	0.09	0.26	28
2009	Diff-in-diff	−0.13 (0.41)	−0.13 (0.42)	−0.13 (0.46)	28
2009	R²	0.13	0.04	0.08	28

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