Table 7.
Year | Estimate | Unadjusted | Adjusted for GDP | Adjusted for GDP & time trends | N | |
---|---|---|---|---|---|---|
Carbonates | 2006 | Diff-in-diff | −1.44*** (0.53) | −1.46*** (0.56) | −1.39*** (0.48) | 30 |
R2 | 0.30 (p = 0.006) | 0.30 (p = 0.009) | 0.57 (p = 0.004) | |||
2009 | Diff-in-diff | −1.36*** (0.50) | −1.35*** (0.51) | −1.35** (0.58) | 30 | |
R2 | 0.37 (p = 0.006) | 0.38 (p = 0.009) | 0.38 (p = 0.019 | |||
Bottled water | 2006 | Diff-in-diff | 0.62* (0.32) | 0.59* (0.33) | 0.62* (0.32) | 30 |
R2 | 0.68 (p = 0.051) | 0.69 (p = 0.07) | 0.74 (p = 0.051) | |||
2009 | Diff-in-diff | 0.63** (0.31) | 0.59* (0.34) | 0.63** (0.26) | 30 | |
R2 | 0.45 (p = 0.043) | 0.47 (p = 0.085) | 0.77 (p = 0.016) | |||
Juice | 2006 | Diff-in-diff | 0.09 (0.81) | 0.48 (0.69) | 0.53 (0.66) | 30 |
R2 | 0.04 | 0.47 | 0.55 | |||
2009 | Diff-in-diff | −0.47 (0.60) | −0.02 (0.52) | −0.21 (0.55) | 30 | |
R2 | 0.04 | 0.53 | 0.55 | |||
Sports & energy drinks | 2006 | Diff-in-diff | 0.12 (0.86) | 0.27 (0.73) | 0.26 (0.75) | 30 |
R2 | 0.11 | 0.34 | 0.37 | |||
2009 | Diff-in-diff | −0.90 (0.65) | −0.63 (0.58) | −0.67 (0.63) | 30 | |
R2 | 0.13 | 0.35 | 0.38 |
Notes: *p < 0.1; **p < 0.05; ***p < 0.01, standard-errors in parentheses