Education
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Ph.D. in Economics
2015 - Present
- Princeton University
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M.A. in Economics
2017
- Princeton University
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M.A. in Economics and Finance
2014
- University of Naples Federico II
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B.A. in Economics
2012
- University of Naples Federico II
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Working Papers
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Heterogeneous Risk Exposure and the Dynamics of Wealth Inequality
Job Market Paper
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In this paper I propose a quantitative theory for the dynamics of wealth inequality based on heterogeneous exposure to aggregate risk in asset returns. I develop an optimal portfolio choice model in which housing is a necessary good and households endogenously shift their portfolios towards riskier assets as they get wealthier. Since households are exposed to different sources of aggregate return risk, wealth inequality naturally responds to movements in asset returns. I show that return shocks have large and persistent effects on wealth inequality and that the model replicates the U-shape observed in top U.S. wealth shares since the 1960s.
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Wealth Inequality at the Top: Down to the Roots
(joint with G. Sorg-Langhans and M. Vogler)
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Multiple theories of inequality compete to explain U.S. wealth inequality and the share of wealth held by the top one percent. To what extent does it matter which of these models we rely on? In this paper we analyze the responses of the different theories to a host of policy experiments. To this end, we form a quantitative model that nests the competing channels and assesses the effects of policy experiments by sequentially shutting off all but one of these model mechanisms. Our model is directly calibrated on the wealth distribution which allows us to starkly contrast the different theories and clearly understand the mechanisms at work. We find stark differences in predictions across channels for a given policy experiment, indicating that, by choosing a particular mechanism, researchers might already predetermine the outcome of their policy experiments.
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Work in Progress
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When Does Wealth Inequality Matter for Asset Pricing?
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In this paper, we study the interaction between wealth inequality and asset prices by developing a framework featuring heterogeneous agents, endogenous portfolio choice, and aggregate risk. We solve the model globally under the assumption of limited information: agents forecast prices directly using observable aggregate variables, which makes the problem computationally tractable without sacrificing the economic mechanism. We approximate the drift and volatility of the perceived price process with neural networks and find that, while the drift component of the evolution of prices is close to linear, the volatility is highly nonlinear. This asymmetry endogenously generates time variation in risk premia that local approximation methods cannot produce and that is key to explaining the interaction between inequality and asset returns: through heterogeneous portfolio exposure, aggregate shocks reshape the wealth distribution, which in turn feeds back into asset prices and asset demand through market clearing.
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Fields
Macroeconomics, Finance, Household Finance, Inequality
Visiting Positions
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Federal Reserve Board
Washington, DC
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Dissertation Fellow (virtual)
Summer 2021
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Federal Reserve Bank of St. Louis
St. Louis, MO
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Dissertation Intern (virtual workshop due to COVID-19)
Summer 2020
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Statistics Norway
Oslo, Norway
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Visiting Scholar
2018 - Present
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Capital Markets Cooperative Research Centre
Sydney, Australia
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Visiting Scholar
Spring 2015
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Teaching
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- Graduate - High Performance Computing in Economics
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Sole Instructor
2019 - 2021
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- Undergraduate - Intermediate Macroeconomics
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T.A. for Gianluca Violante
Spring 2018
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- Undergraduate - Introductory Microeconomics
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T.A. for Harvey Rosen
Fall 2018
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T.A. for Henry Farber
Fall 2017
Research Activities
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R.A. to Gianluca Violante
2018 - 2019
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R.A. to Benjamin Moll
2016 - 2018
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R.A. to Oleg Itskhoki
2016
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R.A. to Marco Pagano
2014 - 2015
Honors and Awards
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Griswold Center for Economy Policy Studies Fellowship – Princeton University
2019 - 2020
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Graduate Fellowship – Princeton University
2015 - 2019
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Marco Fanno Scholarship – UniCredit & Universities Foundation
2014 - 2015
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"Messaggeri della Conoscenza" Program Scholarship
2015
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Best Master Student – University of Naples
2014
Programming Skills
- Julia, R, Matlab, Stata, SAS, LaTeX
Languages
- Italian (native), English