Perhaps no aspect of social relations has stirred more academic controversy than the subject of race and ethnicity. Theories that explain the persistence and vitality of the ethnic phenomenon--as well as commentaries on these theories--abound in sociological and anthropological literature. This study is the first, however, to critique the field as a whole. Thompson offers systematic comparisons of current theories, testing both their internal consistency and their adequacy as analytical tools. Thompson's study focuses the debate on ethnicity in a constructive and original fashion....