• Report
• 19th Oct 2018

Reducing Tax Return Errors in Form 1770 in Indonesia

The aim of this project was to reduce common errors that Indonesian taxpayers make when completing certain sections of their tax return form. In an online experiment using BIT’s Predictiv platform, we tested the impact of a two-page FAQ flyer on accuracy when completing the form. Compared to participants who…

• Report
• 19th Oct 2018

Encouraging Earlier Tax Returns in Indonesia

In Indonesia, as in other countries around the world, a large proportion of taxpayers file their taxes at the last minute. This leads to long queues in front of tax offices and crashes of the online system around the deadline, which erodes tax morale and puts pressure on the system.…

• Report
• 19th Oct 2018

Reducing Social Security Contribution Arrears in Indonesia

A large proportion of companies registered with BPJSTK have contribution arrears at some point during the year. This puts employees at risk because they would not be covered by BPJSTK’s insurance in the event of an accident. It also lowers the contributions made towards their pensions. We tested the effectiveness…

• Article

Sending money home

• Report
• 24th Jan 2019

The Behavioural Insights Team Annual Update Report 2017-18

Latest results from the team, covering issues from healthcare to humanitarian aid.

• Case study
• 24th Jan 2019

Tackling tuberculosis in Moldova

There are still 1.6 million tuberculosis (TB) related deaths a year around the world despite the availability of effective treatment.

• Case study
• 24th Jan 2019

Building capacity and ensuring timely tax returns

Working with the Indonesian Tax Authority (Direktorat Jenderal Pajak, or DJP) on our second project together, we ran our largest randomised controlled trial with 11.2 million taxpayers.

• Person

Bridie Murphy

Bridie is an Associate Advisor working in the International Development team. Prior to joining BIT, Bridie worked as a secondary school Spanish teacher in London and at IIPE UNESCO, a Latin American education research facility. To date, her work at BIT has spanned a range of policy areas including health,…

• Person

Ariel Lee Bothen

Ariel joined BIT as an Advisor in the area of Social Cohesion and Intergration and is part of the Home Affairs and International Development team. She joined BIT after completing her master’s degree in International Affairs, with a focus on conflict studies, at the Hertie School of Governance in Berlin…

• Person

Lilli Wagstaff

Lilli is a Research Advisor in the Home Affairs and International Programmes team where she leads the evaluation of a number of projects with different police forces and government agencies on reducing violence and recidivism. Additionally, Lilli also works as the research lead on a range of international projects, including…