Definition of variables and their measurement
| Variable | Type | Proxies | Measurement |
|---|---|---|---|
| Tax compliance | Dependent variable | Willingness to comply | Dummy variable that takes |
| 0: Paid the wrong value | |||
| 1: Reported the problem | |||
| Voice | Independent variable | Voice in the decision-making process | Dummy variable that takes |
| 0: Control | |||
| 1: Treatment | |||
| Empathy | Independent variable | Empathy-triggering information | Dummy variable that takes |
| 0: Control | |||
| 1: Treatment | |||
| Honesty | Control | Index of average 3 honesty questions | Continuous variable that ranges from zero to one |
| 0: Totally dishonest | |||
| 1: Totally honest | |||
| Emotional | Control | Index of average 3 empathy questions | Continuous variable that ranges from zero to one |
| 0: Totally apathetic | |||
| 1: Totally empathetic | |||
| Religiosity | Control | Index of average 3 religiosity questions | Continuous variable that ranges from zero to one |
| 0: Non-religious | |||
| 1: Religious | |||
| Age | Control | Age | Categorical variable that ranges from 1 till 4 |
| 1: Age bracket 15–24 | |||
| 4: Age bracket 45+ | |||
| Female | Control | Female | Dummy variable that takes |
| 0: Male | |||
| 1: Female | |||
| Education | Control | Level of current education | Categorical variable that ranges from 1 till 3 |
| 1: High school | |||
| 3: Master's degree | |||
| Income | Control | Level of monthly income | Categorical variable that ranges from 1 till 6 |
| 1: Less than 10,000 | |||
| 6: More than 30,000 | |||
| Fees | Control | Level of annual tuition fees | Categorical variable that ranges from 1 till 6 |
| 1: Less than 2,000 | |||
| 6: More than 15,000 |
| Variable | Type | Proxies | Measurement |
|---|---|---|---|
| Dependent variable | Willingness to comply | Dummy variable that takes | |
| 0: Paid the wrong value | |||
| 1: Reported the problem | |||
| Independent variable | Voice in the decision-making process | Dummy variable that takes | |
| 0: Control | |||
| 1: Treatment | |||
| Independent variable | Empathy-triggering information | Dummy variable that takes | |
| 0: Control | |||
| 1: Treatment | |||
| Control | Index of average 3 honesty questions | Continuous variable that ranges from zero to one | |
| 0: Totally dishonest | |||
| 1: Totally honest | |||
| Control | Index of average 3 empathy questions | Continuous variable that ranges from zero to one | |
| 0: Totally apathetic | |||
| 1: Totally empathetic | |||
| Control | Index of average 3 religiosity questions | Continuous variable that ranges from zero to one | |
| 0: Non-religious | |||
| 1: Religious | |||
| Control | Age | Categorical variable that ranges from 1 till 4 | |
| 1: Age bracket 15–24 | |||
| 4: Age bracket 45+ | |||
| Control | Female | Dummy variable that takes | |
| 0: Male | |||
| 1: Female | |||
| Control | Level of current education | Categorical variable that ranges from 1 till 3 | |
| 1: High school | |||
| 3: Master's degree | |||
| Control | Level of monthly income | Categorical variable that ranges from 1 till 6 | |
| 1: Less than 10,000 | |||
| 6: More than 30,000 | |||
| Control | Level of annual tuition fees | Categorical variable that ranges from 1 till 6 | |
| 1: Less than 2,000 | |||
| 6: More than 15,000 |
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