Skip to content
An official website of the OECD. Find out more
Created by the Public Governance Directorate

This website was created by the OECD Observatory of Public Sector Innovation (OPSI), part of the OECD Public Governance Directorate (GOV).

How to validate authenticity

Validation that this is an official OECD website can be found on the Innovative Government page of the corporate OECD website.

View as: Map

Filter by:



Policy Area


Behavioural tool

Number of BI projects:

Legend: Projects status

  • Pre-registered project
  • Completed project
This website, as well as any data and map included herein, are without prejudice to the status of or sovereignty over any territory, to the delimitation of international frontiers and boundaries and to the name of any territory, city or area.
The aim of the project was to reduce common errors that self-employed taxpayers make when they complete certain sections of tax return form 1770, such as identifying their business category and declaring assets and liabilities. Taxpayers can make both intentional and unintentional errors. Our objective was to reduce unintentional errors associated with lack of knowledge.
Behaviorally informed messages have had demonstrated success in increasing tax compliance in multiple regional settings. In Indonesia, which has the largest economy in Southeast Asia, a trial from the Directorate General of Taxes (DGT) and World Bank teams looked at whether behaviorally informed messages and materials can impact tax compliance and payment rates among small and medium enterprises (SMEs). The results showed, to get delinquent firms to pay their taxes, information is not enough -…
In Indonesia, as in other countries, a large proportion of tax returns are filed at the last minute. In a population-wide randomised controlled trial (n = 11,157,069), we evaluated the impact of behavioural email prompts on the proportion of annual tax returns filed at least two weeks before the deadline; and overall filing rate. In two control conditions, taxpayers either received no email or an email used in prior years, emphasising regulatory information. The five treatments informed by…
In Indonesia, a replication of a Growth Mindset intervention had significant impacts on student academic performance – particularly in schools located in regions that could benefit the most. Student learning outcomes in Indonesia have remained lower than their regional neighbors and other middle-income countries, as suggested by the results of the Program for International Student Assessment – PISA. Aside from socioeconomic conditions and access to educational resources, student motivation…