Is the Spanish economy positioned at its optimal progressivity level in personal income tax? This article quantifies the aggregate, distributional, and welfare consequences of moving towards such an optimal level. A heterogeneous households general equilibrium model featuring both life cycle and...

The study empirically tests whether regional differences in personal taxes (Personal Income Tax, Wealth Tax, and Inheritance and Gift tax) have had some influence on the decision of the richest Spanish taxpayers to change their residence. The estimates use the Personal Income Tax (IRPF) Panel...

This paper develops and validates a measure of tax accrual quality. Tax accrual quality captures variation in the extent to which the income tax accrual maps into income tax-related cash flows, with lower variation indicating a higher quality tax accrual. Low tax accrual quality arises from (1)...

Can the Spanish government generate more tax revenue by making personal income taxes more progressive? To answer this question, we build a life-cycle economy with uninsurable labor productivity risk and endogenous labor supply. Individuals face progressive taxes on labor and capital incomes and...

Measuring effective tax rates using tax revenue data is attractive, given that revenues collected capture the net effect of tax provisions and taxpayer behaviour that are difficult to model. Yet reliance on aggregate tax and income data requires restrictive assumptions and significantly limits...

This paper focuses on the study of the effects on social welfare generated by the scheme of joint taxation of the Spanish Personal Income Tax (PIT), whose peculiarity linked to its condition of optionality, allows the minimization of households´ tax bill. Different scenarios are simulated using...

This study considers advantages of relying on micro-data to assess average tax rates on labour, capital and transfer income and presents some illustrative results. The analysis emphases the importance of matching taxpayer-level information to income flows, and notes difficulties in interpreting...