?How does contention over authenticity unfold through social movement processes of mobilization and counter-mobilization? We address this issue by studying how the rise of "modern" winemaking practices embodied authenticity as creativity, how the success of the modernists triggered a...

We propose that category membership can operate as a collective market signal for quality. This requires that gaining category membership is more costly for low-quality producers. The strength of such signals increases with the distinctiveness, or contrast, of the category. Our empirical study...