Does terroir size matter? Protected geographical areas and prices of European hams
研究了22种欧洲火腿的地理标志保护区域面积与价格的关系，发现面积越大价格越低，且通过产量和感知质量两条路径影响价格，对地理标志政策制定者和区域品牌管理者有参考价值。
The boundaries of geographical indication (GI) areas represent the core of GI specifications. Theory suggests that smaller areas result in higher prices due to quantity restrictions and higher quality. However, empirical evidence on the importance of GI areas for using places as brands is scarce. Our regressions using newly coded data of GI areas in km2 of 22 hams provide direct empirical evidence that larger areas are associated with lower prices. Subsample regressions suggest that areas affect prices through both quantity and (perceived) quality. Thus, our findings indicate that GI areas are a non-negligible factor in establishing collective regional brands.