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English

Curriculum

Antonio VILLANACCI

Ruolo attuale:: Professore Ordinario
SSD:: STAT-04/A - Metodi matematici dell'economia e delle scienze attuariali e finanziarie
Afferenza organizzativa:: Dipartimento di Scienze per l'Economia e l'Impresa

Recapiti

antonio.villanacci(AT)unifi.it

Antonio VILLANACCI

Pubblicazioni

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Tesi di Dottorato

antonio villanacci; Maria Bernadette Donato (2023). Existence of financial equilibria with real assets: a variational inequality approach. OPTIMIZATION, pp. 1-18, ISSN:0233-1934

antonio villanacci; Maria Bernadette Donato (2023). Variational inequalities, Maximal elements and economic equilibria. JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 519, pp. 1-24, ISSN:0022-247X

Donato M.B.; Milasi M.; Villanacci A. (2022). Restricted Participation on Financial Markets: A General Equilibrium Approach Using Variational Inequality Methods. NETWORKS AND SPATIAL ECONOMICS, pp. 327-359, ISSN:1566-113X DOI

Alessandro Gioffré, Alessandro Tampieri, Antonio Villanacci (2021). Private vs Public Companies with Strategic CSR. JOURNAL OF ECONOMICS, vol. 133, pp. 129-166, ISSN:0931-8658 DOI

antonio villanacci; Maria Bernadette Donato; Antonino Maugeri; Monica MIlasi (2021). Variational Inequalities and General Equilibrium Models. In: Parasidis, I.N., Providas, E., Rassias, T.M. (eds). Mathematical Analysis in Interdisciplinary Research. Springer Optimization and Its Applications,, pp. 169-212, Svizzera: Springer Nature, Switzerland.

antonio villanacci; Maria Bernadette Donato (2020). AN EXISTENCE THEOREM FOR GENERALIZED QUASI-VARIATIONAL INEQUALITIES INVOLVING THE GRASSMANNIAN MANIFOLD WITH AN APPLICATION. ATTI DELLA ACCADEMIA PELORITANA DEI PERICOLANTI, CLASSE DI SCIENZE FISICHE, MATEMATICHE E NATURALI, vol. 98, pp. 1-23, ISSN:1825-1242 DOI

Donato, Maria Bernadette*; Milasi, Monica; Villanacci, Antonio (2018). Variational Formulation of a General Equilibrium Model with Incomplete Financial Markets and Numeraire Assets: Existence. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, vol. 179, pp. 425-451, ISSN:0022-3239 DOI Accesso ONLINE all'editore

Donato Maria Bernadette; Milasi Monica; Villanacci, A. (2018). Incomplete financial markets model with nominal assets: Variational approch. JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 457, pp. 1353-1369, ISSN:0022-247X DOI Accesso ONLINE all'editore

Hoelle, Matthew; Pireddu,Marina; Villanacci, Antonio (2016). Incomplete financial markets with real assets and wealth-dependent credit limits. JOURNAL OF ECONOMICS, vol. 117, pp. 1-36, ISSN:0931-8658

Michele Gori; Marina Pireddu; Antonio Villanacci (2014). Existence of financial equilibria with endogenous short selling restrictions and real assets. DECISIONS IN ECONOMICS AND FINANCE, vol. 37, pp. 349-371, ISSN:1593-8883 DOI Accesso ONLINE all'editore

Michele Gori; Marina Pireddu; Antonio Villanacci (2013). Regularity and Pareto improving on financial equilibria with price-dependent borrowing restrictions. RESEARCH IN ECONOMICS, vol. 67, pp. 100-110, ISSN:1090-9443 DOI Accesso ONLINE all'editore

A. Villanacci; U. Zenginobuz (2012). Subscription equilibrium with production: non-neutrality and constrained suboptimality. JOURNAL OF ECONOMIC THEORY, vol. 147, pp. 407-425, ISSN:0022-0531

M.Gori; A. Villanacci (2011). A bargaining model in general equilibrium. ECONOMIC THEORY, vol. 46, pp. 327-375, ISSN:0938-2259 DOI Accesso ONLINE all'editore

L.Carosi; M.Gori; A.Villanacci (2009). Endogenous restricted participation in general financial equilibrium. JOURNAL OF MATHEMATICAL ECONOMICS, vol. 45, pp. 787-806, ISSN:0304-4068 DOI Accesso ONLINE all'editore

A. VILLANACCI; U. ZENGINOBUZ (2007). On the Neutrality of Redistribution in a General Equilibrium Model with Public Goods. JOURNAL OF PUBLIC ECONOMIC THEORY, vol. 9, pp. 183-200, ISSN:1097-3923

A. Villanacci; U. Zenginobuz (2006). Subscription equilibria with public production: existence and regularity. RESEARCH IN ECONOMICS, vol. 60, pp. 199-215, ISSN:1090-9443

DEL MERCATO E; A. VILLANACCI (2006). Taxes and Money in Incomplete Financial Markets. DECISIONS IN ECONOMICS AND FINANCE, vol. 29, pp. 23-54, ISSN:1593-8883

A. VILLANACCI; U. ZENGINOBUZ (2006). Pareto Improving Interventions in a General Equilibrium Model with Private Provision of Public Goods. REVIEW OF ECONOMIC DESIGN, vol. 10, pp. 249-271, ISSN:1434-4742

A. VILLANACCI; U. ZENGINOBUZ (2005). Existence and Regularity of Equilibria in a General Equilibrium Model with Private Provision of a Public Good. JOURNAL OF MATHEMATICAL ECONOMICS, vol. 41, pp. 617-636, ISSN:0304-4068

A. CITANNA; A. VILLANACCI (2004). Pooling and Endogenous Market Incompleteness. ECONOMIC THEORY, vol. 24, pp. 549-560, ISSN:0938-2259

A. VILLANACCI; A. CITANNA (2002). Competitive Equilibrium with Moral Hazard in Economies With Multiple Commodities. JOURNAL OF MATHEMATICAL ECONOMICS, vol. 38, pp. 117-147, ISSN:0304-4068

A. VILLANACCI; P. BENEVIERI; L. CAROSI; A. BATTINELLI (2002). Differential Topology and General Equilibrium with Complete and Incomplete Markets. AMSTERDAM: Kluwer Academic Publisher, ISBN:9781402072017

A. VILLANACCI; D. CASS; P. SICONOLFI (2001). Generic Regularity of Competitive Equilibria with Restricted Participation.. JOURNAL OF MATHEMATICAL ECONOMICS, vol. 36, pp. 61-76, ISSN:0304-4068

A. VILLANACCI; H. CRES; A. CITANNA; J. DREZE; P. HERINGS (2001). Continua of Underemployment Equilibria Reflecting Coordination Failures, Also at Walrasian Prices. JOURNAL OF MATHEMATICAL ECONOMICS, vol. 36, pp. 169-200, ISSN:0304-4068

A. CITANNA; A. VILLANACCI (2000). Incomplete Markets. Allocative Efficiency and the Information Revealed by Prices. JOURNAL OF ECONOMIC THEORY, vol. 90, pp. 222-253, ISSN:0022-0531

A. CITANNA; A. VILLANACCI (1999). Existence and regularity of partially revealing rational expectations equilibria in finite economies.. JOURNAL OF MATHEMATICAL ECONOMICS, vol. 34, pp. 1-26, ISSN:0304-4068

A. CITANNA; A. KAJII; A. VILLANACCI (1998). Constrained Suboptimality in Incomplete Markets: A General Approach and Two Applications. ECONOMIC THEORY, vol. 11, pp. 495-521, ISSN:0938-2259

S. Suda; J. Tallon; A. Villanacci (1992). Real indeterminacy of equilibria in a sunspot economy with inside money. ECONOMIC THEORY, vol. 2, pp. 309-319, ISSN:0938-2259

P. Siconolfi; A. Villanacci (1991). Real indeterminacy in incomplete financial markets without aggregate risk. ECONOMIC THEORY, vol. 1, pp. 265-276, ISSN:0938-2259

A. Villanacci (1991). Real Indeterminacy, Taxes and Outside Money in Incomplete Financial Market Economies: I. The Case of Lump Sum Taxes. In: Second Meeting on Nonlinear Dynamics in Economics, Siena, Italy, Springer-Verlag, pp. 363-331.

A. Villanacci (1991). Taxes and outside money in incomplete financial market economies: I. the case of lump sum taxes. In: M. Galeotti, L. Genorazzo, F. Gori. Proceedings of the second meeting on nonlinear dynamics, pp. 331-363, Berlino, Germania: Springer-Verlag.

A. Battinelli; P.Tani; A. Villanacci (1986). Una Analisi Critica della Derivazione Assiomatica del Principio di Zeuthen Dovuta ad Harsanyi. In: Razionalita' collettiva e strategica nell'amministrazione delle organizzazioni, Franco Angeli,, Milano, pp. 107-131.

A.Battinelli; P.Tani; A.Villanacci (1986). Una analisi critica della derivazione assiomatica del principio di Zeuthen dovuta ad Harsanyi. In: L. Sacconi. La decisione: razionalita' collettiva e strategica nella amministrazione e nelle organizzazioni, pp. 107-131, Milano: Franco Angeli, Milano.

Antonio VILLANACCI

Curriculum

antonio villanacci
Curriculum Vitae
October 2023

Dipartimento di Scienze per l'Economia e l'Impresa
Università degli Studi di Firenze
Edificio D6, via delle Pandette 9
50127 Firenze, Italy

Current Position:
Full Professor, Universita' degli Studi di Firenze, Italy
Past Positions:
Visiting Lecturer in Economics, University of Pennsylvania, Philadelphia, 1990-1991.
Shorter Term Appointments:
Visiting Professor (for Mathematics course), European University Institute, Firenze, Italy, from 2010 to today.
Visiting Scholar, University of Pennsylvania, 2003-2004, Fall Semester.
Visiting Lecturer in Economics, University of Pennsylvania, 1999-2000, Fall Semester.
Visiting Scholar, University of Pennsylvania, October -November, 1998.
Visiting Professor, Bogazici University, Istanbul, Turkey, May 1998.
Visiting Professor in Economics, European University Institute, Fiesole, Italy, 1997-1998.
Visiting Scholar, University of Geneva, Switzerland, August 1996 - January 1997.
Visiting Lecturer in Economics, University of Pennsylvania, 1993-1994, Fall Semester.
Visiting Lecturer in Economics, University of Pennsylvania, 1991-1992, Fall Semester.
Education:
University of Pennsylvania, 1985 -1990: Ph.D. and Master in Economics. Dissertation title: Real Indeterminacy in Exchange Economies with Incomplete Financial Markets. Advisor: Prof. David Cass.
Università degli Studi di Firenze, 1977-1984: Laurea in Economia e Commercio (College Degree in Economics). Dissertation Title: Axiomatic Models of Bargaining. Advisor: Prof. Piero Tani.

Research interest:
General Equilibrium Theory, Mathematical Economics, Consumer Theory, Game Theory, Asymmetric Information, Public Goods, Labor Market.

PUBLICATIONS:
Articles in Journals

1.Existence of financial equilibria with real assets: a variational inequality approach, (with M.B. Donato), Optimization, DOI:10.1080/02331934.2023.2258898 (September 19, 2023).
2.Variational inequalities, Maximal elements and economic equilibria, (with M.B. Donato), Journal of Mathematical Analysis and Applications, Volume 519, Issue 1,https://doi.org/10.1016/j.jmaa.2022.126769 (March 2023).
3.Restricted participation on financial markets: a general equilibrium approach using variational inequality methods, (with M. B. Donato and M. Milasi), Networks and Spatial Economics, Volume 22, Issue 2, Pages 327 - 359, (June 2022).
4.Private versus public companies with strategic CSR, (with A. Gioffre´ and A. Tampieri), Journal of Economics/ Zeitschrift fur Nationalokonomie Open AccessVolume 133, Issue 2, Pages 129 - 166 (July 2021).
5.An existence theorem for generalized quasi-variational inequalities involving the Grassmannian manifold with an application (with M. B. Donato), AAPP | Atti della Accademia Peloritana dei Pericolanti, Vol. 98, No. S2, A6, (2020).
6.Variational formulation of a general equilibrium model with incomplete financial markets and numeraire assets: existence (with M. B. Donato and M. Milasi), Journal of Optimization Theory and Applications,179, 425--451 (2018).
7.Incomplete financial markets model with nominal assets: Variational approach, (con M. B. Donato e M. Milasi), Journal of Mathematical Analysis and Applications, 457, 1353-1369 (2018).
8.Incomplete financial markets with real assets and wealth dependent credit limits, (con M. Hoelle e M. Pireddu), Journal of Economics, Zeitschrift fur Nationalokonomie, 117 (1), 1-36 (2016).
9.Existence of financial equilibria with endogenous short selling restrictions and real assets, (with M. Gori and M. Pireddu), Decisions in Economics and Finance, 37, 2, 349-371, (2014).
10.Regularity and Pareto improving on financial equilibria with price-dependent borrowing restrictions, (with M. Gori and M. Pireddu), Research in Economics, 67, 100--110, (2013).
11.Subscription Equilibrium with Production: Non-Neutrality and Constrained Suboptimality,(with U. Zenginobuz) Journal of Economic Theory, 147, 407--425, (2012).
12.A bargaining model in general equilibrium, (with M. Gori), Economic Theory, 46, 327-375 (2011),
13.Endogenous restricted participation in general financial equilibrium, (with L. Carosi and M. Gori), Journal of Mathematical Economics, 45, 787--806, (2009).
14.On the Neutrality of Redistribution in a General Equilibrium Model with Public Goods, (with U. Zenginobuz), Journal of Public Economic Theory, 9 (2), 183--200 (2007).
15.Subscription Equilibria with Public Production: Existence and Regularity, (with U. Zenginobuz), Research in Economics, 60, 199--215, (2006).
16.Pareto Improving Interventions in a General Equilibrium Model with Private Provision of Public Goods, ( with U. Zenginobuz), Review of Economic Design, 10, 249--271, (2006)
17.Taxes and Money in Incomplete Financial Markets, (with E. del Mercato), Decisions in Economics and Finance, 29, 1, 23-54 (2006).
18.Existence and Regularity of Equilibria in a General Equilibrium Model with Private Provision of a Public Good, (with U. Zenginobuz), Journal of Mathematical Economics, 41, 617--636 (2005).
19.Pooling and Endogenous Market Incompleteness, (with A. Citanna), Economic Theory, 24, 549 -- 560, (2004).
20.Competitive Equilibrium with Moral Hazard in Economies With Multiple Commodities (with A. Citanna), Journal of Mathematical Economics, 38, No.1-2, 117-147 (2002).
21.Continua of Underemployment Equilibria Reflecting Coordination Failures, Also at Walrasian Prices (with A. Citanna, H. Cres, J. Dreze and P.J. J. Herings), Journal of Mathematical Economics, 36, 169-200, (2001).
22.Generic Regularity of Competitive Equilibria with Restricted Participation, (with D. Cass and P. Siconolfi), Journal of Mathematical Economics, 36, 61-76, (2001).
23.Incomplete Markets. Allocative Efficiency and the Information Revealed by Prices, (with A. Citanna), Journal of Economic Theory, 90, 222-253, (2000).
24.Existence and regularity of partially revealing rational expectations equilibria in finite economies (with A. Citanna), Journal of Mathematical Economics, 34, 1-26, (1999).
25.Constrained Suboptimality in Incomplete Markets: A General Approach and Two Applications (with A. Citanna and A. Kajii ), Economic Theory, 11, 495-521, (1998).
26.Real Indeterminacy of Equilibria in a Sunspot Economy with Inside Money, (with S. Suda and J. Tallon), Economic Theory, 2, 309-319, (1992).
27.Real Indeterminacy in Incomplete Financial Markets without Aggregate Risk, (with P. Siconolfi), Economic Theory, 1, 265-276, (1991).

Books

1.Differential Topology and General Equilibrium with Complete and Incomplete Markets,(with L. Carosi, P. Benevieri and A. Battinelli), Kluwer Academic Publishers, (2002).

Articles in books

1.Variational Inequalities and General Equilibrium Models (with M. B. Donato, Maugeri A. and M. Milasi), In: Parasidis, I.N., Providas, E., Rassias, T.M. (eds) Mathematical Analysis in Interdisciplinary Research. Springer Optimization and Its Applications, vol 179, Pages 169 - 212. Springer Nature Switzerland (February 2021).
2.Real Indeterminacy, Taxes and Outside Money in Incomplete Financial Market Economies: I. The Case of Lump Sum Taxes, Proceedings of the Second Meeting on Nonlinear Dynamics in Economics, edited by M. Galeotti, L. Geronazzo and F. Gori, Springer-Verlag, 331-363, (1991).
3.Una Analisi Critica della Derivazione Assiomatica del Principio di Zeuthen Dovuta ad Harsanyi (with A. Battinelli and P. Tani), in italian, in La Decisione: Razionalita' Collettiva e Strategica nella Amministrazione e nelle Organizzazioni, edited by L. Sacconi, Milano, Franco Angeli, 107-131, (1986).

Recent unpublished papers
Opportunity-Based Other Regarding Preferences in General Equilibrium: Regularity and Policy interventions, (in progress).
Opportunity-Based Other Regarding Preferences in General Equilibrium: Existence, (2023), Working Paper del Dipartimento di Scienze dell'Economia e dell'Impresa, Università degli Studi di Firenze.
Variational inequalities for maximization problems with continuous, locally nonsatiated, quasiconcave utility functions, mimeo,(2020).

Teaching Notes.
Linear Algebra, Topology in metric space, Multivariate Differential Calculus, Nonlinear programming.
Linear Algebra and Linear Systems of Differential Equations.
Nonlinear systems of Differential Equations.
General Topology.
Banach Spaces and Differential Calculus on Banach Spaces.
Measure Theory and Probability.
Basic Dynamic Programming.
Convex Analysis.