Results 161 to 170 of about 24,138 (305)
Commodity cash and futures prices have been rising steadily since 2006. As evidenced by the April 2008 Commodity Futures Trading Commission Agricultural Forum, there is much concern among traditional futures and options market participants that the ...
Power, Gabriel J., Vedenov, Dmitry V.
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Copulas in finance and insurance [PDF]
Copulas provide a potential useful modeling tool to represent the dependence structure among variables and to generate joint distributions by combining given marginal distributions. Simulations play a relevant role in finance and insurance. They are used
Elisa M. Molanes, Rosario Romera
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Modal Logic and Modal Metaphysics: An Avicennian Division of Labour
Theoria, EarlyView.ABSTRACT This paper argues that Avicenna was both a necessitarian and a realist about contingency. The two aspects of his modal metaphysics are reconciled by arguing that Avicenna's modal metaphysics is founded on realism about essences: strictly speaking, an individual has no contingent properties, but a modal distinction can be made between the ...
Jari Kaukua
wiley +1 more source
Estimating value at risk and optimal hedge ratio in Latin markets: a copula-based GARCH approach [PDF]
In this paper we use a copula-based GARCH model to estimate conditional variances and covariances of the bivariate relationships between U.S. market with Brazilian, Argentinean and Mexican markets. To that we used daily prices of S&P500, Ibovespa, Merval
Marcelo Brutti Righi +1 more
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(Co‐)Reference All the Way Down: A Unified Theory of (Pro) Nominals in Ordinary English
Theoria, EarlyView.ABSTRACT This essay joins two themes, both arising from Kripke's inspiring ideas in the theory of reference. The first theme concerns reference in general. The second examines the notion of co‐reference and the role it plays in a unified theory of pronouns for natural language.
Jessica Pepp, Joseph Almog
wiley +1 more source
Analyzing Asymetric Dependence in Exchange Rates using Copula [PDF]
In this paper I aimed to analyze the use of copulas in financial application, namely to investigate the assumption of asymmetric dependence and to compute some measures of risk.
Alexie Alupoaiei
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Superlative Objoid Constructions in British and American English
World Englishes, EarlyView.ABSTRACT This paper investigates regional variation in Superlative Objoid constructions (SOCs) and their prepositional variant (at‐SOCs). SOCs combine a possessive pronoun with a superlative adjective. These function as manner‐degree modifiers in a context where the possessive is in postverbal position and correlative with the subject, as in they tried
Tamara Bouso, Marianne Hundt
wiley +1 more source
International Transactions in Operational Research, Volume 33, Issue 6, Page 4039-4071, November 2026.Abstract In response to the increasing complexity of modern products, dynamic markets, and intensified competition, project‐based organizations are actively seeking methodologies to efficiently manage their expanding project portfolios. This paper analyzes the project portfolio selection problem in uncertain environments. Despite recent advances in the
Miguel Saiz +3 more
wiley +1 more source
Data-Driven Chance Constrained Mixed Integer Nonlinear Bilevel Optimization via Copulas. [PDF]
Ind Eng Chem ResJohnn SN +5 more
europepmc +1 more source
Journal of Linguistic Anthropology, Volume 36, Issue 2, August 2026.Abstract I propose the concept of delomization, the process whereby a sign comes to be understood as a symbol. I term such signs delomes. With rhematization and dicentization, delomization completes the triplet that linguistic anthropologists derive from Charles Sanders Peirce's third trichotomy.
Urmila Nair
wiley +1 more source