Consumers, producers, critics, and other market agents rely on socially constructed categories like 'craft' beers, houseware 'collectibles', and 'thriller' films for their understanding of products and producers in markets. Although organizational and sociological accounts often take such categories as given, researchers increasingly acknowledge that category emergence, development, and functioning represent key aspects of how markets work. Take, for example, the U.S. brewing industry, which has become segmented into mass versus specialty producers. Many beer lovers who appreciate the...