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Field
Intervention (Public)
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Before
The local government implemented a progressive tax reform in the local property tax, with reductions in the tax rate for properties with the lowest values and increases for those with the highest values. We partnered with the municipality to target the universe of around 100.000 taxpayers with letters outlining the reform and whether the recipient's tax rate was reduced, increased or stayed the same because of her property's valuation. The key aspect of our mailing campaign was the salience of the progressive tax reform: while the baseline letter only stated whether the receipient's tax rate had changed, the treatment letter provided details about the progressive nature of the reform.
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After
The local government implemented a progressive tax reform in the local property tax, with reductions in the tax rate for properties with the lowest values and increases for those with the highest values. We partnered with the municipality to target the universe of around 100.000 taxpayers with letters outlining the reform and whether the recipient's tax rate was reduced, increased or stayed the same because of her property's valuation. The key aspect of our mailing campaign was the salience of the progressive tax reform: while the baseline letter only stated whether the receipient's tax rate had changed, the treatment letter provided details about the progressive nature of the reform.
UPDATE 2024: A second round of the mailing experiment and a new survey were conducted at the end of 2023/start of 2024 for the tax bills for the year 2024. Please see attached document for details.
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