Current position

Professor of Economics, University of Rome II (Tor Vergata)

Education 

PhD in Economics, University of Cambridge, 1998 

PhD in Economics, University of Rome I, 1996 

MPhil in Economics, University of Cambridge, 1993 

BA in Political Science, LUISS, Rome, 1991 

Previous positions 

2013-2021: Professor of Economics, Yeshiva University, New York

2007-2021: Professor of Economics, University of Rome III

2006-2007: Associate Professor of Economics, University of Rome III 

2002-2006: Associate Professor of Economics, University of Sassari  

1999-2002: Research Assistant, CORE/UCL, Belgium 

1998-2000: Research Assistant, DSE, University of Rome I 

1997-1998: Research Assistant, CORE/UCL, Belgium 

Published papers

1. An Approximation Approach to Dynamic Programming with Unbounded Returns, with Cuong LeVan and Yiannis Vailakis, Journal of Mathemathical Economics, 2024

2. Sovereign Debt Crises and Low Interest Rates, with Yiannis Vailakis, Journal of International Economics, 2024

3. Do not Blame Bellman: It is Koopmans' Fault, with Cuong LeVan and Yiannis Vailakis, Econometrica, 2024

4. Low Safe Interest Rates: A Case for Dynamic Inefficiency?, with Pietro Reichlin, Review of Economic Dynamics, 2023

5. A Negishi Approach to Recursive Contracts, with Paolo Siconolfi, Econometrica, 2022

6. On Sovereign Default with Time-Varying Interest Rates, with Yiannis Vailakis, Review of Economic Dynamics, 2021

7. Sustainable Debt, with Herakles M. Polemarchakis and Yiannis Vailakis, Theoretical Economics, 2021

8. Unique Markov Equilibrium under Limited Commitment, International Economic Review, 2020

9. Asset Shortages, Liquidity and Speculative Bubbles, with Alex Citanna, Journal of Economic Theory, 2019

10. Convex Dynamic Programming with (Bounded) Recursive Utility, with Yiannis Vailakis,  Journal of Economic Theory, 2018

11. Sovereign Debt and Incentives to Default with Uninsurable Risks, with Herakles M. Polemarchakis and Yiannis Vailakis, Theoretical Economics, 2017

12. An Argument for Positive Nominal Interest, with Herakles M. Polemarchakis, in K. Nishimura, A. Venditti and N. Yannelis (eds), Sunspots and Non-Linear Dynamics: Essays in Honor of Jean-Michel Grandmont, Springer Verlag, 2017

13. Uniqueness of Competitive Equilibrium with Solvency Constraints under Gross-Substitution, with Alex Citanna, Journal of Mathematical Economics, 2015

14. Fragility of Competitive Equilibrium with Risk of Default, with Pietro Reichlin and Mario Tirelli, Review of Economic Dynamics, 2013

15. Asset Prices, Debt Constraints and Inefficiency, with Pietro Reichlin, Journal of Economic Theory, 2011

16. An Obtrusive Remark on Capital and Comparative Statics, with Pietro Reichlin, Metroeconomica, 2009

17. A Characterization of Inefficiency in Stochastic Overlapping Generations Economies, with Filippo L. Calciano,  Journal of Economic Theory, 2008

18. Efficiency and Prices in Economies of Overlapping Generations, Journal of Economic Theory,  2008

19. Infinite-Maturity Public Debt and the Fiscal Theory of the Price Level, with Pietro Reichlin, Journal of Economic Dynamics and Control, 2008

20. Monetary Policy and Dynamic Efficiency in Economies of Overlapping Generations, with Herakles M. Polemarchakis, International Journal of Economic Theory, 2006

21. Money, Gains to Trade and Impatience, Research in Economics, 2006

22. Theory and Practice of Monetary Policy, with Herakles M. Polemarchakis, Economic Theory, 2006

23. A Note on the Existence of a Monetary Equilibrium over an Infinite Horizon, Economic Theory, 2006

24. A Remark on the Fiscal Theory of Price Determination, Journal of Mathematical Economics, 2005

25. Risk and Intermediation in a Dual Financial Market Economy, with Pietro Reichlin, Research in Economics, 2005

26. Monetary Equilibria over an Infinite Horizon, with Jacques H. Drèze and Herakles M. Polemarchakis, Economic Theory, 2005

27. A Note on Sunspot Equilibrium in Sequential Economies, Research in Economics, 2004

28. Inflation, Welfare and Public Goods, with Sergio Currarini and Nikos Kikidis, Journal of Public Economic Theory, 2002

29. A Geometric Approach to Sunspot Equilibria, Journal of Economic Theory, 2001

30. Indeterminacy and Cycles in a Cash-in-Advance Economy with Production, with Stefano Bosi and Francesco Magris, Rivista Internazionale di Scienze Sociali, 2001

Unpublished papers 

1. Sunspot Equilibria in a Monetary Economy with Capital Accumulation, with Francesco Magris, CORE Discussion Paper, 40, 2000

2. Complexity and Equilibrium in Infinitely Repeated Games with Discounting, Doctoral Dissertation, University of Cambridge, 1998

3. Ciclo economico endogeno e imperfezioni dei mercati: Vincoli di liquidità e all'indebitamento, Doctoral Dissertation, University of Rome I, 1996