Most popular brand | Other brands | Difference | Student’s t-statistic* | |
Consumption (cigarettes per week) | 4.95 | 5.84 | −0.89 | −5.76 |
Price (thous. VND) | 9.71 | 12.22 | −2.51 | −4.09 |
Price relative to income (× 1000) | 3.92 | 5.18 | −1.26 | −1.22 |
Smoker income (mil. VND) | 5.25 | 5.19 | 0.06 | 0.18 |
Income share on cigarettes (%) | 8.14 | 10.43 | −2.29 | −1.86 |
Household income (mil. VND) | 11.85 | 11.10 | 0.75 | 0.65 |
Household income share on cigarettes (%) | 3.15 | 4.58 | −1.43 | −9.53 |
Price elasticity | 1.96 | 2.57 | −0.61 | −1.72 |
No observation | 459 | 1635 |
*Null hypothesis of the Student’s t-statistics for each variable is H0: mean (most popular brand)−mean (other brands)=0.
mil., million; thous., thousand; VND, Vietnamese Dong.