Results 61 to 70 of about 8,136 (186)

Correlation networks in economics and finance: A review of methodologies and bibliometric analysis

open access: yesJournal of Economic Surveys, Volume 39, Issue 3, Page 1252-1286, July 2025.
Abstract This paper presents an in‐depth review of the methodologies and innovations in the study of correlation networks in economics and finance. We explore the development of filtering algorithms and distance measures, emphasizing their critical role in extracting meaningful financial interconnections.
Hamidreza Esmalifalak   +1 more
wiley   +1 more source

Correlation Networks Among Currencies

open access: yes, 2005
By analyzing the foreign exchange market data of various currencies, we derive a hierarchical taxonomy of currencies constructing minimal-spanning trees. Clustered structure of the currencies and the key currency in each cluster are found.
Benzecri   +13 more
core   +3 more sources

Exploring Economic Conflict Through the Gravitational Field Model of Trade: Markets, Wars, and Instability

open access: yesConflict Resolution Quarterly, Volume 42, Issue 4, Page 507-521, Summer 2025.
ABSTRACT Building on Walter Isard's location and gravity theories in economics, we extend his trade model to better understand its core principles, including commercial attraction, center of gravity in markets, and favorable location for exporting firms.
Luigi Capoani   +2 more
wiley   +1 more source

From statistical physics to social sciences: the pitfalls of multi-disciplinarity

open access: yesJournal of Physics: Complexity, 2023
This is the English version of my inaugural lecture at Collège de France in 2021. I reflect on the difficulty of multi-disciplinary research, which often hinges on unexpected epistemological and methodological differences, for example about the ...
Jean-Philippe Bouchaud
doaj   +1 more source

Robust Characterization of Multidimensional Scaling Relations between Size Measures for Business Firms

open access: yesEntropy, 2021
Although the sizes of business firms have been a subject of intensive research, the definition of a “size” of a firm remains unclear. In this study, we empirically characterize in detail the scaling relations between size measures of business firms ...
Yuh Kobayashi   +3 more
doaj   +1 more source

Econophysics: historical perspectives [PDF]

open access: yes, 2008
Econophysics embodies the recent upsurge of interest by physicists into financial economics, driven by the availability of large amount of data, job shortage in physics and the possibility of applying many-body techniques developed in statistical and theoretical physics to the understanding of the self-organizing economy.
G. Daniel, D. Sornette
openaire   +2 more sources

Scale‐Dependent Inverse Temperature Features Associated With Crashes in the US and Japanese Stock Markets

open access: yesComplexity, Volume 2025, Issue 1, 2025.
Some complex systems (e.g., an ecosystem) in direct contact with an environment can be assigned the temperature of the environment. Other complex systems, such as human beings, can maintain a core temperature of 36.5°C in environments with different temperatures, at least for a short period of time.
Peter Tsung-Wen Yen   +2 more
wiley   +1 more source

The spectral boundary of block structured random matrices

open access: yesJournal of Physics: Complexity
Economic and ecological models can be extremely complex, with a large number of agents/species each featuring multiple interacting dynamical quantities. In an attempt to understand the generic stability properties of such systems, we define and study an ...
Nirbhay Patil   +2 more
doaj   +1 more source

Is Economics an Empirical Science? If not, can it become one?

open access: yesFrontiers in Applied Mathematics and Statistics, 2015
Today’s mainstream economics, embodied in Dynamic Stochastic General Equilibrium (DSGE) models, cannot be considered an empirical science in the modern sense of the term: it is not based on empirical data, is not descriptive of the real-world economy ...
Sergio Mario Focardi   +1 more
doaj   +1 more source

From Bioeconomics to Bioeconopysis in the Context of (Bio)Diversity and Modern Morality [PDF]

open access: yesAmfiteatru Economic, 2018
The article develops a complex interdisciplinary paradigm, or rather a multiparadigm of bioeconomics, exemplifying the necessary role and the broader horizon of multidisciplinarity through bioeconophysics, in the context of (bio)diversity and modern ...
Yuichi Tei / Ung-Il Chung   +1 more
doaj   +1 more source

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