" The key theoretical and political question is not, therefore, how class (in the Marxist sense) ‘intersects’ with the various identities where individuals are presumably located, but how to differentiate between the effects of capitalist class power upon large and heterogeneous (in terms of identity) sectors of the working class, and the effects of identity-based interactions and conflicts within those sectors. "

― , Marx, Women, and Capitalist Social Reproduction: Marxist Feminist Essays