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In the study, the effectiveness of four reminder messages was evaluated through an online laboratory experiment involving 2,963 participants. The content of these messages was designed based on evidence from behavioural sciences, and their effect was contrasted with that of a simple, brief, and direct message (control message). The impact of the reminders was measured through four outcome variables: the action participants declared they would take after receiving the message, understanding and…
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.
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…