Informal Institutions in Judicial Decision-Making: A Study of the Polish Constitutional Tribunal (2012-2016)

A growing interest in informal institutions in the judiciary – Scarce empirical studies focusing on informal institutions in judicial decision-making – An in-depth case study of the Polish Constitutional Tribunal (2012-2016) through an interview methodology – Constitutional Courts develop informal institutions often determinative of case outcomes – Polarisation negatively impacting compliance with preexisting informal institutions