Bootstrapped WTP estimates and confidence intervals for selected table grape attributes.
. | WTP estimates ($/lb) . | WTPconventional breeding–WTPCRISPR ($/lb) . | ||
---|---|---|---|---|
Variable . | Conventional breeding . | CRISPR . | Difference . | t-value . |
Sweetness | 3.20 | 3.06 | 0.15 | 0.16 |
(Sweet vs. not sweet) | [1.81, 4.60] | [1.94, 4.18] | ||
Crispness | 2.91 | 2.61 | 0.30 | 0.34 |
(Crisp vs. not crisp) | [1.53, 4.28] | [1.53, 3.68] | ||
Uniform skin color | 1.79 | 1.59 | 0.21 | 0.32 |
(100 per cent green vs. 50 per cent amber) | [0.81, 2.78] | [0.79, 2.39] | ||
Flavor | 0.44 | 0.61 | –0.18 | –0.46 |
(Fruity vs. neutral) | [–0.13, 1.00] | [0.11, 1.12] | ||
Size | 0.25 | 0.33 | –0.09 | –0.23 |
(Larger vs. smaller than a dime) | [–0.32, 0.81] | [–0.17, 0.83] | ||
Aggregated table grape | 2.88 | 2.75 | 0.13 | 0.25 |
[2.10, 3.66] | [2.12, 3.39] |
. | WTP estimates ($/lb) . | WTPconventional breeding–WTPCRISPR ($/lb) . | ||
---|---|---|---|---|
Variable . | Conventional breeding . | CRISPR . | Difference . | t-value . |
Sweetness | 3.20 | 3.06 | 0.15 | 0.16 |
(Sweet vs. not sweet) | [1.81, 4.60] | [1.94, 4.18] | ||
Crispness | 2.91 | 2.61 | 0.30 | 0.34 |
(Crisp vs. not crisp) | [1.53, 4.28] | [1.53, 3.68] | ||
Uniform skin color | 1.79 | 1.59 | 0.21 | 0.32 |
(100 per cent green vs. 50 per cent amber) | [0.81, 2.78] | [0.79, 2.39] | ||
Flavor | 0.44 | 0.61 | –0.18 | –0.46 |
(Fruity vs. neutral) | [–0.13, 1.00] | [0.11, 1.12] | ||
Size | 0.25 | 0.33 | –0.09 | –0.23 |
(Larger vs. smaller than a dime) | [–0.32, 0.81] | [–0.17, 0.83] | ||
Aggregated table grape | 2.88 | 2.75 | 0.13 | 0.25 |
[2.10, 3.66] | [2.12, 3.39] |
Note: t-statistics of the difference in WTP for different table grape attributes under conventional breeding and CRISPR. 95 per cent confidence intervals are shown in brackets.
Bootstrapped WTP estimates and confidence intervals for selected table grape attributes.
. | WTP estimates ($/lb) . | WTPconventional breeding–WTPCRISPR ($/lb) . | ||
---|---|---|---|---|
Variable . | Conventional breeding . | CRISPR . | Difference . | t-value . |
Sweetness | 3.20 | 3.06 | 0.15 | 0.16 |
(Sweet vs. not sweet) | [1.81, 4.60] | [1.94, 4.18] | ||
Crispness | 2.91 | 2.61 | 0.30 | 0.34 |
(Crisp vs. not crisp) | [1.53, 4.28] | [1.53, 3.68] | ||
Uniform skin color | 1.79 | 1.59 | 0.21 | 0.32 |
(100 per cent green vs. 50 per cent amber) | [0.81, 2.78] | [0.79, 2.39] | ||
Flavor | 0.44 | 0.61 | –0.18 | –0.46 |
(Fruity vs. neutral) | [–0.13, 1.00] | [0.11, 1.12] | ||
Size | 0.25 | 0.33 | –0.09 | –0.23 |
(Larger vs. smaller than a dime) | [–0.32, 0.81] | [–0.17, 0.83] | ||
Aggregated table grape | 2.88 | 2.75 | 0.13 | 0.25 |
[2.10, 3.66] | [2.12, 3.39] |
. | WTP estimates ($/lb) . | WTPconventional breeding–WTPCRISPR ($/lb) . | ||
---|---|---|---|---|
Variable . | Conventional breeding . | CRISPR . | Difference . | t-value . |
Sweetness | 3.20 | 3.06 | 0.15 | 0.16 |
(Sweet vs. not sweet) | [1.81, 4.60] | [1.94, 4.18] | ||
Crispness | 2.91 | 2.61 | 0.30 | 0.34 |
(Crisp vs. not crisp) | [1.53, 4.28] | [1.53, 3.68] | ||
Uniform skin color | 1.79 | 1.59 | 0.21 | 0.32 |
(100 per cent green vs. 50 per cent amber) | [0.81, 2.78] | [0.79, 2.39] | ||
Flavor | 0.44 | 0.61 | –0.18 | –0.46 |
(Fruity vs. neutral) | [–0.13, 1.00] | [0.11, 1.12] | ||
Size | 0.25 | 0.33 | –0.09 | –0.23 |
(Larger vs. smaller than a dime) | [–0.32, 0.81] | [–0.17, 0.83] | ||
Aggregated table grape | 2.88 | 2.75 | 0.13 | 0.25 |
[2.10, 3.66] | [2.12, 3.39] |
Note: t-statistics of the difference in WTP for different table grape attributes under conventional breeding and CRISPR. 95 per cent confidence intervals are shown in brackets.
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