Table 7 Model specification using Link Test and Ramsey RESET test
From: Own price elasticities of the demand for sugar-sweetened beverages in Bangladesh
Dependent Variable | Link Test | Ramsey RESET Test | ||
|---|---|---|---|---|
Constant | Regression prediction (y_hat) | Squared of regression prediction (y_hat2) | F-statistics (p-value) | |
Expenditure share equation (Eq. 1) | ||||
Log of unit value for Soft Drinks | 150.822 (166.459) | -71.044 (79.511) | 8.603 (9.495) | 0.43 (0.735) |
Log of unit value for Horlicks | − 25.708 (52.304) | 9.583 (17.453) | -0.716 (1.456) | 1.96 (0.119) |
Log of unit value for Tea & Coffee (Inside house Consumption) | -100.898 (130.931) | 35.513 (44.785) | -2.951 (3.830) | 2.35 (0.070)* |
Log of unit value for Tea Cup (Outside house) | -22.197 (29.327) | 31.400 (40.162) | -10.408 (13.750) | 20.80 (0.000)*** |
Log of unit value for Coffee cup (outside house) | 0.592 (2.054) | 1.704 (2.423) | -0.207 (0.711) | 2.21 (0.086)* |
Expenditure share equation (Eq. 2) | ||||
Expenditure share for Soft Drinks | 0.001 (0.002) | 0.588 (0.489) | 29.357 (34.189) | 0.96 (0.410) |
Expenditure share for Horlicks | 0.006 (0.006) | -1.487 (2.000) | 224.617 (177.002) | 3.05 (0.028) ** |
Expenditure share for Tea & Coffee (Inside house) | 0.001 (0.001) | 0.700 (0.170) *** | 24.373 (13.285) * | 0.29 (0.830) |
Expenditure share for Tea Cup (Outside house) | 0.004 (0.001) *** | 0.459 (0.064) *** | 17.674 (1.994) *** | 10.30 (0.000) *** |
Expenditure share for Coffee Cup (Outside house) | 0.001 (0.001) | 0.507 (0.544) | 103.401 (108.763) | 1.00 (0.391) |