In recent extensions of Darwinism into economics, the replicator-interactor duality looms large. I propose a naturalistic approach to this duality in the context of the theory of institutions, which means that its use is necessarily dependent on identifying a physical realization. I introduce a...

Evolutionary approaches in economics have gathered increasing support over the last 25 years. Despite an impressive body of literature, economists are still far from formulating a coherent research paradigm. The multitude of approaches in evolutionary economics poses problems for the development...