Sankin Kotai: Institutionalized Trust as the Foundation for Economic Development in the Tokugawa Era

Just as numerous scholars have delved into the interplay between markets and institutions in an attempt to explain the postwar economic miracle, this paper examines the relationship between markets and institutions in Tokugawa Japan in an attempt to better explain the phenomenon of economic development at that time. In particular, this paper focuses on the Tokugawa era institution of the sankin kotai, or alternate attendance system, and argues that conventional explanations attributing the unusual economic development of this period to the unilateral coercive government power of this institution are problematic. The author argues that the alternate attendance system must instead be understood as a rational institution which promoted mutual compliance ex post and allowed for credible commitments ex ante through its harmonization of interests. The resulting peace dividend generated the positive externalities requisite for the development of a market economy.