List of variables
| Category | Variables | Definition |
|---|---|---|
| Dependant | Return | Consumer cup return rate: Ratio of return volume (via in-store staff/machines + collection points outside of stores) to sales volume by administrative units |
| Infrastructure factors (infra) | Out | Number of collection points outside of stores per unit area of each administrative unit (zone) |
| Instore | Number of stores with unmanned return machines installed per unit area of each administrative unit (zone) | |
| StoreHr | Average operating hours of collection points outside of stores | |
| Store operation characteristics (operation) | OutHr | Average operating hours of participating stores |
| CollFq | Monthly frequency of cup collection by carriers at collection points | |
| Xrate | Cross-brand return rate: Ratio of cups returned from different brands to total return volume by administrative units | |
| Vol | Number of voluntarily participating stores | |
| Standard cup (cupst) | Cupst | Number of stores using standard cups for both paper and plastic (non-standard cups refer to cups with specific brand names or designs) |
| Regional characteristics (region) | TourExp | Regional tourism expenditure in the confectionery and beverage sector (cafes, bakeries, etc.) (KRW 1,000) |
| VstLoc | Number of visitors: Locals (residents within the same metropolitan government) | |
| VstDom | Number of visitors: Domestic tourists (non-locals) | |
| VstFor | Number of visitors: Foreign tourists |
| Category | Variables | Definition |
|---|---|---|
| Dependant | Return | Consumer cup return rate: Ratio of return volume (via in-store staff/machines + collection points outside of stores) to sales volume by administrative units |
| Infrastructure factors ( | Out | Number of collection points outside of stores per unit area of each administrative unit (zone) |
| Instore | Number of stores with unmanned return machines installed per unit area of each administrative unit (zone) | |
| StoreHr | Average operating hours of collection points outside of stores | |
| Store operation characteristics ( | OutHr | Average operating hours of participating stores |
| CollFq | Monthly frequency of cup collection by carriers at collection points | |
| Xrate | Cross-brand return rate: Ratio of cups returned from different brands to total return volume by administrative units | |
| Vol | Number of voluntarily participating stores | |
| Standard cup ( | Cupst | Number of stores using standard cups for both paper and plastic (non-standard cups refer to cups with specific brand names or designs) |
| Regional characteristics ( | TourExp | Regional tourism expenditure in the confectionery and beverage sector (cafes, bakeries, etc.) ( |
| VstLoc | Number of visitors: Locals (residents within the same metropolitan government) | |
| VstDom | Number of visitors: Domestic tourists (non-locals) | |
| VstFor | Number of visitors: Foreign tourists |
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