| In addition, they provided information on the supply-side substitutability of these products. |
| Sappho moves towards the abstract by employing the substitutability of things, people, shops. |
| There is therefore some supply-side substitutability from one line of service to another. |
| The substitutability principle is none other than a generalization of the very notion of tropology. |
| Nonetheless, the degree of substitutability appears to be sufficient to warrant a broad market definition. |
| Sisal and synthetic fibres have a certain degree of substitutability for uses in agriculture. |
