Since 1958, the economic theory of the participatory or labor-managed firm and its performance compared to capitalist firms, has exploded into a vast literature comprising several hundred articles. Indeed, as one early contributor has recently remarked, the theory has become a 'new discipline' in itself. Producer Cooperatives and Labor-Managed Systems provides, for the first time, a careful selection of the most significant theoretical and empirical contributions to this burgeoning field, and promises to become a valuable research tool and reference volume.