Turning Point Mechanisms in a Dualistic Process Model of Institutional Emergence: The Case of the Diesel Particulate Filter in Germany

Based on an in-depth case study investigating the emergence of a normative institution, namely the diesel particulate filter (DPF) as a de facto standard for diesel cars in Germany, this paper develops a dualistic process model of institutional emergence which reflects the fundamental oppositional character of institutional actors involved in a series of framing contests. The proposed model features distinct phases punctuated by turning point...