80 research outputs found
Dynamic Scoring: A Back-of-the-Envelope Guide
This paper uses the neoclassical growth model to examine the extent to which a tax cut pays for itself through higher economic growth. The model yields simple expressions for the steady-state feedback effect of a tax cut. The feedback is surprisingly large: for standard parameter values, half of a capital tax cut is self-financing. The paper considers various generalizations of the basic model, including elastic labor supply, departures from infinite horizons, and non-neoclassical production settings. It also examines how the steady-state results are modified when one considers the transition path to the steady state.
De Gustibus non est Taxandum: Heterogeneity in Preferences and Optimal Redistribution
The prominent but unproven intuition that preference heterogeneity reduces re-distribution in a standard optimal tax model is shown to hold under the plausible condition that the distribution of preferences for consumption relative to leisure rises, in terms of first-order stochastic dominance, with income. Given mainstream functional form assumptions on utility and the distributions of ability and preferences, a simple statistic for the effect of preference heterogeneity on marginal tax rates is derived. Numerical simulations and suggestive empirical evidence demonstrate the link between this potentially measurable statistic and the quantitative implications of preference heterogeneity for policy.
The Optimal Taxation of Height: A Case Study of Utilitarian Income Redistribution
Should the income tax include a credit for short taxpayers and a surcharge for tall ones? The standard Utilitarian framework for tax analysis answers this question in the affirmative. Moreover, a plausible parameterization using data on height and wages implies a substantial height tax: a tall person earning 4,500 more in tax than a short person. One interpretation is that personal attributes correlated with wages should be considered more widely for determining taxes. Alternatively, if policies such as a height tax are rejected, then the standard Utilitarian framework must fail to capture intuitive notions of distributive justice.
Preference Heterogeneity and Optimal Capital Taxation
We analytically and quantitatively examine a prominent justification for capital income taxation: goods preferred by those with high ability ought to be taxed. We study an environment where commodity taxes are allowed to be nonlinear functions of income and consumption and find that, when ability is positively related to a preference for a good, optimal marginal commodity taxes on this good may be regressive: i.e., declining with income. We derive an analytical expression for optimal commodity taxation, allowing us to study the forces for and against regressivity. We then parameterize the model to evidence on the relationship between skills and preferences and examine the quantitative case for taxes on future consumption (saving). The relationship between skill and time preference delivers quantitatively small, generally regressive capital income taxes and would justify only a fraction of the prevailing level of capital income taxation.
Seesaws and Social Security Benefits Indexing
The price indexation of Social Security bene.t payments has emerged in recent years as a flashpoint of debate in the United States. I characterize the direct effects that changes in that price index would have on retirees who differ in their initial wealth at retirement and mortality rates after retirement. I propose a simple but flexible theoretical framework that converts benefits reform first into changes to retireesā consumption paths and then into a net effect on social welfare. I calibrate that framework using recently-produced data on Social Security beneficiaries by lifetime income decile and both existing and new survey evidence on the normative priorities Americans have for Social Security. The results suggest that the value retirees place on protection against longevity risk is an important caveat to the widespread enthusiasm for a switch to a slower-growing price index such as the chained CPI-U
Preference Heterogeneity and Optimal Capital Income Taxation
We analytically and quantitatively examine a prominent justi.cation for capital income taxation: goods preferred by those with high ability ought to be taxed. We study an environment where commodity taxes are allowed to be nonlinear functions of income and consumption and .nd that, when ability is positively related to a preference for a good, optimal marginal commodity taxes on this good may be regressive: i.e., declining with income. We derive an analytical expression for optimal commodity taxation, allowing us to study the forces for and against regressivity. We then parameterize the model to evidence on the relationship between skills and preferences and examine the quantitative case for taxes on future consumption (saving). The relationship between skill and time preference delivers quantitatively small, generally regressive capital income taxes and would justify only a fraction of the prevailing level of capital income taxation.JCKNMLNHOGJE
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The Promise of Positive Optimal Taxation
At the heart of modern optimal tax research is the assumption that the objective of taxation is Utilitarian. I present new survey evidence that most people disagree with this assumption, preferring tax policies based at least in part on a classic alternative objective: the principle of Equal Sacrifice. I generalize the standard model to accommodate this preference for a mixed objective, proposing a method by which to make disparate criteria commensurable while respecting Pareto efficiency. Then, I show that optimal policy in this generalized model, calibrated to the survey evidence and U.S. microdata, quantitatively matches several features of existing tax policy that are incompatible in the conventional model but widely endorsed in reality, including the coexistence of substantial redistribution and limited tagging. Together, these findings demonstrate the potential of a positive theory of optimal taxation
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Dynamic Scoring: A Back-of-the-Envelope Guide
This paper uses the neoclassical growth model to examine the extent to which a tax cut pays for itself through higher economic growth. The model yields simple expressions for the steady-state feedback effect of a tax cut. The feedback is surprisingly large: for standard parameter values, half of a capital tax cut is self-financing. The paper considers various generalizations of the basic model, including elastic labor supply departures from infinite horizons, and non-neoclassical production settings. It also examines how the steady-state results are modified when one considers the transition path to the steady state.Economic
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The Optimal Taxation of Height: A Case Study of Utilitarian Income Redistribution
Should the income tax system include a tax credit for short taxpayers and a tax surcharge for tall ones? This paper shows that the standard Utilitarian framework for tax policy analysis answers this question in the affirmative. Moreover, based on the empirical distribution of height and wages, the optimal height tax is substantial: a tall person earning 4,500 more in taxes than a short person earning the same income. This result has two possible interpretations. One interpretation is that individual attributes correlated with wages, such as height, should be considered more widely for determining tax liabilities. Alternatively, if policies such as a tax on height are rejected, then the standard Utilitarian framework must in some way fail to capture our intuitive notions of distributive justice.Economic
Optimal Taxation in Theory and Practice
We highlight and explain eight lessons from optimal tax theory and compare them to the last few decades of OECD tax policy. As recommended by theory, top marginal income tax rates have declined, marginal income tax schedules have flattened, redistribution has risen with income inequality, and commodity taxes are more uniform and are typically assessed on final goods. However, trends in capital taxation are mixed, and capital income tax rates remain well above the zero level recommended by theory. Moreover, some of theory's more subtle prescriptions, such as taxes that involve personal characteristics, asset-testing, and history-dependence, remain rare in practice. Where large gaps between theory and policy remain, the difficult question is whether policymakers need to learn more from theorists, or the other way around.
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