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732 results on '"Chichilnisky, Graciela"'

2. Risk Aversion and Catastrophic Risks: the Pill Experiment

Author

Blasco, Julien and Chichilnisky, Graciela

Subjects
Quantitative Finance - General Finance
Abstract

This article focuses on the work of O. Chanel and G. Chichilnisky (2013) on the flaws of expected utility theory while assessing the value of life. Expected utility is a fundamental tool in decision theory. However, it does not fit with the experimental results when it comes to catastrophic outcomes ---see, for example, Chichilnisky (2009) for more details. In the experiments conducted by Olivier Chanel in 1998 and 2009, several subjects are ask to imagine they are presented 1 billion identical pills. They are paid \$220,000 to take and swallow one, knowing that one out of 1 billion is deadly. The objective of this article is to show that risk aversion phenomenon cannot explain the experimental results found. This is an additional reason why a new kind of utility function is necessary: the axioms proposed by Graciela Chichilnisky will be briefly presented, and it will be shown that it better fits with experiments than any risk aversion utility function., Comment: 10 pages

Published
2015

5. Neuropsychological Generation of Source Amnesia: An Episodic Memory Disorder of the Frontal Brain

Author

Lakhan, Shaheen Emmanuel, Chichilnisky, Graciela, Asl, Abolhassan Astaneh, Bull, Leona, Anders, Robert L., Oppong, Christine, Rivers, Patrick, Sun, Jianjun, Price, Larry R., Flores, Henry, Lakhan, Shaheen Emmanuel, Naterer, Greg Frank, Rivera, Mario A, Stuffle, Gene, Rao, Allam Appa, Barusch, Amanda, Zaman, Musharraf, Zain, Azni, Efird, Jimmy Thomas, Lou, Jennie Q., Nikolova, Lolita, Ahmadi, Goodarz, Claussen, Dane S., Hay, Iain, Guillen, George, McNaught, Carmel, and Wu, Junru

Subjects
Neuroscience: Neuropsychology, Neuroscience: Neuropsychiatry, Psychology: Cognitive Psychology, Neuroscience: Neuroanatomy, Psychology: Psychophysiology, Neuropsychology, Neuropsychiatry, Cognitive Psychology, Neuroanatomy, Psychophysiology
Abstract

Source amnesia is an explicit memory (declarative) disorder, particularly episodic, where source or contextual information concerning facts is severely distorted and/or unable to be recalled. This paper reviews the literature on source amnesia, including memory distrust syndrome, and its accepted correlation with the medial diencephalic system and the temporal lobes, and the suggested linkage between the frontal lobes, including special interest with the prefrontal cortex. Posthypnotic induction was the first presentation of source amnesia identified in the literature. The Wisconsin Cart Sorting Test (WCST), Positron Emission Topography (PET), Phonemic Verbal Fluency Test, Stroop Color Word Interference Test, and explicit and implicit memory tests are defined and linked to empirical research on amnesiacs.

Published
2006

7. Sustainable Markets with Short Sales

Author

Chichilnisky, Graciela, Yannelis, Nicholas C., Series editor, Kehoe, Timothy J., Series editor, Cornet, Bernard, Series editor, Aliprantis, Charalambos, Founding editor, Chichilnisky, Graciela, editor, and Rezai, Armon, editor

Published
2016
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9. The Foundations of Uncertainty with Black Swans

Author

Chichilnisky, Graciela, Yannelis, Nicholas C., Series editor, Kehoe, Timothy J., Series editor, Cornet, Bernard, Series editor, Aliprantis, Charalambos, Founding editor, Chichilnisky, Graciela, editor, and Rezai, Armon, editor

Published
2016
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15. Intersecting families of sets and the topology of cones in economics

Author

Chichilnisky, Graciela

Subjects
Mathematics - Algebraic Topology, Mathematics - Optimization and Control
Abstract

Two classical problems in economics, the existence of a market equilibrium and the existence of social choice functions, are formalized here by the properties of a family of cones associated with the economy. It was recently established that a necessary and sufficient condition for solving the former is the nonempty intersection of the family of cones, and one such condition for solving the latter is the acyclicity of the unions of its subfamilies. We show an unexpected but clear connection between the two problems by establishing a duality property of the homology groups of the nerve defined by the family of cones. In particular, we prove that the intersection of the family of cones is nonempty if and only if every subfamily has acyclic unions, thus identifying the two conditions that solve the two economic problems. In addition to their applications to economics, the results are shown to extend significantly several classical theorems, providing unified and simple proofs: Helly's theorem, Caratheodory's representation theorem, the Knaster-Kuratowski-Marzukiewicz theorem, Brouwer's fixed point theorem, and Leray's theorem on acyclic covers., Comment: 19 pages

Published
1993

28. Volatility and Job Creation in the Knowledge Economy

Author

Chichilnisky, Graciela, Gorbachev, Olga, Aliprantis, Charalambos D., editor, Yannelis, Nicholas C., editor, Citanna, Alessandro, editor, Donaldson, John, editor, Polemarchakis, Herakles, editor, Siconolfi, Paolo, editor, and Spear, Stephan E., editor

Published
2005
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