Economics in the shadows of Darwin and Marx : essays on institutional and evolutionary themes Introduction Marxism Darwinism institutionalism Darwin and Marx at the crossroads Social Darwinism in anglophone academic journals Institutionalism versus Marxism : a debate with Alex Callinicos Three essays on critical realism The uncritical political affinities of critical realism Contestable claims by for critical realism in economics The problem of formalism in economics Habits and individuals; routines and institutions What are institutions The hidden persuaders The complex evolution of a simple traffic convention The nature and replication of routines Economics in the Shadows of Darwin and Marx examines the legacies of these two giants of thought for the social sciences in the twenty first century