Historical Institutionalism

a social sicence approach that emphasises timing, sequence and path dependence in its analysis of (the absence of) institutional change. Small events can have big impacts

Path Dependency

An important concept for understanding (the absence of) institutional change

Rational Choice Institutionalism

International Organisations are incentive structures

Sociological Institutionalism

Institutions as social structures composed of cultural-cognitive, normative, and regulative elements that provide stability and meaning to social life