Like proletarians, but unlike capitalist, they are active in the production of alienated surplus value. With the capitalists, they control the labor power of others. With the proletariat, they control over production processes, perhaps even the workers they hire, is immediately circumscribed by capital in the terms of credit, lease, or contract. Domination of the market by monopoly capital eliminates an essential L.J characteristic of the petty bourgeois mode of production, free exchange on an open market.