The Impact of Local Parties on Party System Institutionalisation in Post-Conflict Aceh

While there has been a flurry of research on party system institutionalisation (PSI) and regionalist parties, very little research has been conducted on their imbrication. This study aims to fill this gap by analysing the impact of local parties on the party system in post-conflict Aceh, Indonesia. It contends that the presence of local parties in Aceh has had a hybrid effect on the institutionalisation of the party system. Similar to national parties, local parties in Indonesia have weak societal roots and party organisations that obstruct PSI in Aceh. That notwithstanding, local parties in post-conflict Aceh have assisted in solidifying the party system by improving the legitimacy of parties and elections and by creating a less fragmented party system. This hybrid effect is also strongly influenced by Aceh’s long wartime history and its post-conflict status.