Resumen

SHELDON, Ian  y  ROE, Brian. Vertical product differentiation and credence goods: Mandatory labeling and gains from international integration. EconoQuantum [online]. 2008, vol.5, n.1, pp.9-33. ISSN 2007-9869.

Using a model of vertical product differentiation, we show under what institutional circumstances welfare gains will be maximized as economies integrate and harmonize (mutually recognize) their (each other's) labeling and certification policies for credence goods. Specifically, we show that harmonized mandatory, exclusive discrete labeling will not maximize the gains from economic integration, i.e., the choice of labeling regime can have a negative effect on market structure if firms choose to exit, reducing the range and quality of goods in the integrated market. In contrast, with mandatory, exclusive discrete labeling, there is a higher probability that the gains from integration will be maximized where countries mutually recognize each other's labeling standards.

Palabras llave : Vertical differentiation; credence goods; labeling; economic integration.

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