Ruscitti, Francesco

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Dr. Francesco Ruscitti received a Laurea in Economics (summa cum laude) from the University of Rome "La Sapienza" in 1999. He then went on to complete a Master of Science and a Ph.D. in Economics at Purdue University (USA) in 2007. Prior to joining John Cabot University, he was Visiting Assistant Professor of Economics at Yeshiva University (New York) from 2007 to 2010. He then moved back to Italy and took a position first at the University of Sassari as Visiting Professor of Economics, and then for a short time at the University of Rome III as research fellow. Dr. Ruscitti has taught a broad range of courses. His (undergraduate) teaching interests are in Microeconomics, Mathematical Economics, Economics of Information, Financial Economics and Game Theory. Moreover, in recent years Dr. Ruscitti has been invited to give graduate-level lectures on mathematical methods and the theory of financial markets at Tor Vergata University in Rome. Dr. Ruscitti is passionate about and actively engaged in research. His expertise and interests are in Microeconomics and Economic Theory. In sum, his past and current research involves the use of mathematical methods and models for the analysis of market economies in a general equilibrium setting. Recently, Dr. Ruscitti’s research interests have branched out into Social Choice Theory and Welfare Economics. Dr. Ruscitti presents research papers at international conferences on a regular basis, and he has co-authored articles published in international peer-reviewed journals such as Economics Letters, Journal of Economic Dynamics and Control, Economics Bulletin, Journal of Economics, Applied Mathematics, Economic Theory Bulletin, and Mathematical Social Sciences.

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2011 - 20122
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    Existence of Competitive Equilibria without Standard Boundary Behavior
    (2011) Ruscitti, Francesco
    We study the existence of competitive equilibria when the excess demand function fails to satisfy the standard boundary behavior. We introduce alternative boundary conditions and we examine their role in proving the existence of strictly positive solutions to a system of non-linear equations (competitive equilibium prices). In addition, we slightly generalize a well-known theorem on the existence of maximal elements, and we unveil the link between the hypothesis of our theorem and one of the boundary conditions introduced in this work.
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    The Open Graph Theorem for Correspondences: A New Proof and Some Applications
    (2012) Impicciatore, Galeazzo; Ruscitti, Francesco
    It is known that a correspondence from a topological space to a Euclidean space, with open and convex upper sections, has an open graph if and only if it is lower hemicontinuous. We refer to this result as the open graph theorem. We provide a new and simple proof of the open graph theorem. We also show that the open graph theorem leads to novel results on the existence of constant selections and fixed points for correspondences with non-compact and non-convex domain. Finally, we present an economic application of our results to a principal-agent model.