| Dependent variable |
|
|
|
|
| WTP |
WTP for the local attribute in $/lb |
1.204 |
1.325 |
+ |
| WTP % |
WTP for local attribute calculated as % of average product price used by the study |
0.292 |
0.237 |
|
| Precision |
|
|
|
|
| Number of participants (n) |
Number of participants in the study |
621.640 |
539.285 |
- |
| Study design characteristics |
|
|
|
|
| Year of study |
The experiment was conducted after 2011 = 1, 0 otherwise. (If year when the experiment was conducted is not reported it was assumed to be the year of publication [111]) |
0.372 |
|
- |
| Country of study—US |
Experiment was conducted in the U.S. = 1, 0 otherwise |
0.605 |
|
+ |
| Other countries |
Experiment was conducted outside of the U.S. = 1, 0 otherwise |
0.395 |
|
Base |
| Animal products |
Products used for the study: fish, meat, eggs, or milk = 1, 0 otherwise |
0.430 |
|
+ |
| Produce |
Products used for the study: fruits, vegetables or nuts = 1, 0 otherwise |
0.267 |
|
Base |
| Processed products |
Products used for the study: food items that underwent processing = 1, 0 otherwise |
0.302 |
|
+ |
| Local def.–state grown |
“Local” was defined as grown or produced within the state = 1, 0 otherwise |
0.244 |
|
- |
| Local def.–marketing program |
“Local” was defined using a state/region logo/label = 1, 0 otherwise |
0.255 |
|
Base |
| Local def.–specific region |
“Local” was defined as grown or produced in a specific province, or region = 1, 0 otherwise |
0.360 |
|
+ |
| Local def.–general |
“Local” was defined as locally grown or produced = 1, 0 otherwise |
0.140 |
|
- |
| Method—choice experiment |
Experiment was carried out using choice experiment method = 1, 0 otherwise |
0.860 |
|
+ |
| Method—other |
Experiment was carried out using other methods, such as auctions and contingent valuation methods = 1, 0 otherwise |
0.140 |
|
Base |
| Hypothetical experiment |
Experimental study was hypothetical = 1, 0 otherwise |
0.802 |
|
+ |
| Non-hypothetical experiment |
Experimental study was non-hypothetical = 1, 0 otherwise |
0.198 |
|
Base |
| Participants`origin—shoppers |
Participants recruited at the shopping locations = 1, 0 otherwise |
0.477 |
|
+ |
| Participants`origin—other |
Participants recruited at random or through marketing companies = 1, 0 otherwise |
0.523 |
|
Base |
| Number of attributes |
Number of attributes used to describe the product |
4.128 |
1.445 |
- |
| Age |
Average age of the study participants |
46.826 |
4.340 |
+ |
| Gender |
Percent of female participants in the study |
59.682 |
10.121 |
- |
| Income |
Average income of the study participants in $ |
50,336.880 |
18,311.060 |
+ |
