From: The role of trade and investment liberalization in the sugar-sweetened carbonated beverages market: a natural experiment contrasting Vietnam and the Philippines
Unadjusted
Adjusted for GDP
Adjusted for GDP and time trends
Between country
12.1****
12.4*
12.3*
Difference-in-difference estimate
(5.8)
(5.4)
(5.6)
R-squared
0.73
0.78