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This paper hypothesizes that, from 1985 to 1999, Chilean export wine producers achieved significant quality improvements, which led to successful product differentiation in the global export market. Concomitantly – as the monopolistic competition theory predicts – they increased their wine prices, which represent the value wine consumers attach to the wine attributes (including the quality). Using the wine rating score as an approximation of quality, the paper tests this hypothesis using the nonparametric Wilcoxon rank-sum test. The results strongly support the hypothesis.

Wine quality and pricing in the global wine export market: the case of Chilean wines