Advertising, competition, and the price of eyeglasses
| Autor principal: | |
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| Otros Autores: | |
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Washington, D. C.
American Enterprise Institute
1975.
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| Colección: | AEI reprint
no. 36. |
| Materias: |