NBER Publications by Casey Rothschild

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January 2014A Theory of Income Taxation under Multidimensional Skill Heterogeneity
with Florian Scheuer: w19822
We develop a unifying framework for optimal income taxation in multi-sector economies with general patterns of externalities. Agents in this model are characterized by an N-dimensional skill vector corresponding to intrinsic abilities in N potentially externality-causing activities. The private return to each activity depends on individual skill and an aggregate activity-specific return, which is a fully general function of the economy-wide distribution of activity-specific efforts. We show that the N-dimensional heterogeneity can be collapsed to a one-dimensional, endogenous statistic sufficient for screening. The optimal tax schedule features a multiplicative income-specific correction to an otherwise standard tax formula. Because externalities change the relative returns to different ac...
July 2012Redistributive Taxation in the Roy Model
with Florian Scheuer: w18228
We consider optimal redistribution in a model where individuals can self-select into one of several possible sectors based on heterogeneity in a multidimensional skill vector. We first show that when the government does not observe the sectoral choice or underlying skills of its citizens, the constrained Pareto frontier can be implemented with a single non-linear income tax. We then characterize this optimal tax schedule. If sectoral inputs are complements, a many-sector model with self-selection leads to optimal income taxes that are less progressive than the corresponding taxes in a standard single-sector model under natural conditions. However, they are more progressive than in canonical multi-sector economies with discrete types and without occupational choice or overlapping sectoral w...

Published: Casey Rothschild, 2013. "Redistributive Taxation in the Roy Model," The Quarterly Journal of Economics, Oxford University Press, vol. 128(2), pages 623-668. citation courtesy of

May 2011Optimal Taxation with Rent-Seeking
with Florian Scheuer: w17035
Recent policy proposals have suggested taxing top incomes at very high rates on the grounds that some or all of the highest wage earners are engaged in socially unproductive or counterproductive activities, such as externality imposing speculation in the financial sector. To address this, we provide a model in which agents can choose between working in a traditional sector, where private and social products coincide, and a crowdable rent-seeking sector, where some or all of earned income reflects the capture of pre-existing output rather than increased production. We characterize Pareto optimal linear and non-linear income tax systems under the assumption that the social planner cannot or does not observe whether any given individual is a traditional worker or a rent-seeker. We find that o...

Published: Casey Rothschild & Florian Scheuer, 2016. "Optimal Taxation with Rent-Seeking," The Review of Economic Studies, vol 83(3), pages 1225-1262. citation courtesy of

May 2006Redistribution by Insurance Market Regulation: Analyzing a Ban on Gender-Based Retirement Annuities
with Amy Finkelstein, James Poterba: w12205
This paper shows how models of insurance markets with asymmetric information can be calibrated and solved to yield quantitative estimates of the consequences of government regulation. We estimate the impact of restricting gender-based pricing in the United Kingdom retirement annuity market, a market in which individuals are required to annuitize tax-preferred retirement savings but are allowed considerable choice over the annuity contract they purchase. After calibrating a lifecycle utility model and estimating a model of annuitant mortality that allows for unobserved heterogeneity, we solve for the range of equilibrium contract structures with and without gender-based pricing. Eliminating gender-based pricing is generally thought to redistribute resources from men to women, since women ha...

Published: Finkelstein, Amy & Poterba, James & Rothschild, Casey, 2009. "Redistribution by insurance market regulation: Analyzing a ban on gender-based retirement annuities," Journal of Financial Economics, Elsevier, vol. 91(1), pages 38-58, January. citation courtesy of

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