Judicial Instability and Endogenous Constitutional Change: Lessons from Latin America

Legal scholars frequently advocate institutional reforms to modernize the judiciary and promote judicial independence. However, constitutional reforms also offer an opportunity for politicians to reshuffle the high courts. The negative consequences of constitutional change for judicial stability are explored using an original database of Supreme Court and Constitutional Tribunal members in eighteen Latin American countries between 1904 and 2010. Because unobserved factors potentially explain constitutional replacement as well as judicial turnover, a two-stage event-history model has been employed. The analysis integrates two literatures, studies of constitution-making and studies of judicial politics. The results show that constitutional change is a significant cause of judicial instability and court manipulation, even after potential endogeneity has been taken into account.