An important part of what it means for agents to be situated in the everyday world of human affairs includes their engagement with economic practices. In this paper, we employ the concept of cognitive institutions in order to provide an enactive and interactive interpretation of market and economic reasoning. We challenge traditional views that understand markets in terms of market structures or as processors of distributed information. The alternative conception builds upon the notion of the market as a “scaffolding institution.” Introducing the concept of market as a “socially extended” cognitive institution we go beyond the notion of scaffolding to provide an enactive view of economic reasoning that understands the market participant in ...