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Paper Abstract
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Using survey experiment data, we investigate whether individuals in Mexico modify their stated preferred tax
rate as a function of the rate paid by the rich. Our experimental treatment finds that participants increase their
willingness to pay taxes by approximately 2.3 percentage points, or 19 percent, when informed that the rich will
pay 60 percent of their income in taxes instead of 30 percent (control group). The effect is not statistically
significant for other scenarios, in which the rich pay 50, 40, or 20 percent relative to the control group. As
participants know that the current tax rate for the rich is 30 percent, the experiment can measure the willingness
to pay more in taxes as a function of the proposed rate for the rich. Our results show that people expect a
progressive system and are willing to pay more if the rich pay much more. Moreover, this increase in willingness
to pay taxes is driven mainly by individuals with high socioeconomic status and individuals whose trust in the
government is above the median. Our findings are in line with experiments using public goods games with
inequality in endowments that highlight the importance of social norms concerning the behavior of the rich.
However, they contradict the predictions of traditional economic and political science models in which an increase in taxes paid by the rich decreases the tax rates that others are willing to pay.
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