Open Access
Table 2.
Variables of the Empirical Model.
| Variables | Tipology | Description |
|---|---|---|
| Dependent variable | ||
| Price | Continuous variable | Price = of wine expressed in Euro/bottle 0.75 lt |
| Regressors | ||
| Alcohol content | Continuous variable | Alcohol content expressed in % Vol |
| Age | Continuous variable | Age of wine expressed in years |
| Score | Continuous variable | Score expressed in number of stars |
| Colour | Categorical variable | |
| Dummy | Red = 1;otherwise = 0 (baseline) | |
| Dummy | White = 1; otherwise = 0 | |
| Dummy | Rosé = 1; otherwise = 0 | |
| Appellation | Categorical variable | |
| Dummy | Other PDOs = 1; otherwise = 0 (baseline) | |
| Dummy | Salento = 1; otherwise = 0 | |
| Dummy | Puglia = 1; otherwise = 0 | |
| Dummy | Daunia = 1; otherwise = 0 | |
| Dummy | Tarantino = 1; otherwise = 0 | |
| Dummy | Murgia = 1; otherwise = 0 | |
| Dummy | Valle d’Itria = 1; otherwise = 0 | |
| Dummy | Primitivo di Manduria = 1; otherwise = 0 | |
| Dummy | Salice Salentino = 1; otherwise = 0 | |
| Dummy | Castel del Monte = 1;otherwise = 0 | |
| Dummy | Gioia del Colle = 1; otherwise = 0 | |
| Dummy | Brindisi = 1; otherwise = 0 | |
| Dummy | Copertino = 1; otherwise = 0 | |
| Dummy | Locorotondo = 1; otherwise = 0 | |
| Dummy | San Severo = 1; otherwise = 0 | |
| Dummy | Moscato di Trani = 1; otherwise = 0 | |
| Variety | Categorical variable | |
| Dummy | Blend = 1; otherwise = 0 (baseline) | |
| Dummy | Primitivo = 1; otherwise = 0 | |
| Dummy | Negramaro = 1; otherwise = 0 | |
| Dummy | Other National = 1; otherwise = 0 | |
| Dummy | Minor Autochtonous = 1; otherwise = 0 | |
| Dummy | International = 1; otherwise = 0 |
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