Sociological Institutionalism
Sociological institutionalism is the analytical tradition that examines how institutions diffuse across organizations and societies through processes of isomorphism—mimetic, coercive, and normative pressures that cause structurally similar organizations to adopt similar practices regardless of functional need. Unlike rational choice or historical institutionalism, which treat institutions as solutions to coordination problems or legacies of past choices, sociological institutionalism treats institutions as cultural scripts that confer legitimacy. Organizations adopt practices not because they work but because they signal conformity to prevailing norms. The tradition's most provocative claim is that institutional similarity across wildly different contexts is not evidence of functional convergence but of mimetic pressure operating through professional networks and cultural templates.