Bi Project Policy Area: Tax policy
BI Project
Filing tax returns correctly and on time: Is there value in expressing thanks to citizens and…
Are people more likely to file their tax returns correctly if they receive a thank-you in advance or afterwards? Analyses show that thank-you messages have no effect on compliance behaviour.
Why this experiment was conducted: positive alternative sought
To encourage citizens' tax compliance (i.e., paying their taxes on time and correctly), it is occasional practice to emphasise the risk of checks and fines in case of non-compliance. One drawback of this deterrent method is that it can damage…
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.
BI Project
Behavioural prompts to increase early filing of tax returns: a population-level randomised…
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…
SIMPLESMENTE is an acronym formed by the initials of 12 mechanisms studied by the behavioral sciences. SIMPLESMENTE is an application to simplify and support the use of behavioral sciences in public policy designs. Based on a guided script, users define a problem of interest in public policies and are encouraged to assume the user's perspective. They are invited to apply a series of references, based on evidence and international practice, to improve their understanding of the situation and…