Exact(2)
The attribute coefficient estimates showed that farmers prefer a vaccine that has an indicator, is 100% safe and is administered by the government (p < 0.0001).
Thus, the marginal values can be calculated from the marginal rate of substitution between an attribute coefficient and the coefficient for the price parameter.
Similar(58)
Additionally, the attribute coefficients of the considered systematic utilities show a good statistical significance.
As expected, the cost and time attribute coefficients have a negative sign, while the bus frequency has a positive sign.
Fiebig et al. [15] argued, furthermore, that much of the heterogeneity in attribute coefficients is accounted for by scale heterogeneity and thus that the scale of their error term is allowed to be larger for some consumers than others by fixing the attributes' coefficients.
To test the integrity of the experimental designs above (since we had no prior information on the attribute coefficients), we merged them with simulated pre-pilot discrete-choice data using the macro "MktMerge".
A multi-stage multi-agent efficient design is desirable, consisting of a repeated evaluation of a priori values for the attribute coefficients, updated an appropriate number of times so to improve attribute statistical significance and/or potentially reduce the sample size needed for obtaining statistically significant parameters [72]. 3.
From the signs (positive or negative) of attribute coefficients, it can be concluded that the perceived satisfaction of a bicyclist approaches the 'excellent' (BLOS 'A'), with an increase in effective width of the outside through lane and pavement condition index (as their coefficients are negative).
Willingness to pay (WTP) estimates were calculated by dividing attribute coefficients by the salary coefficient for both models.
We also calculated willingness to pay (WTP) estimates and confidence intervals by dividing attribute coefficients by the continuous salary coefficient.
Willingness to pay estimates were calculated by dividing attribute coefficients by the salary coefficient for each model.
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