Thermodynamic Formalism of Stochastic Equilibrium Economics
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866912800679395328 |
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| author | Nummelin, Esa Arjas, Elja |
| author_facet | Nummelin, Esa Arjas, Elja |
| contents | In economics, construction of perfect models in a way that would be comparable to the standards customary in physical sciences is generally not feasible. In particular, the observed value for an economic equilibrium may deviate significantly from its model-based a priori expected value. Mathematically, the a posteriori observed equilibrium may then represent a large deviation in the sense that it falls outside the region of validity of the Central Limit Theorem. With this as the motivating starting point, we propose a new approach to the theory of stochastic economic equilibrium. Drawing on recent developments in probability theory, we argue for the relevance of the theory of large deviations in stochastic equilibrium economics. Thereby the formalism of stochastic equilibrium economics becomes analogous to that of classical statistical mechanics, as the theory of large deviations forms also the mathematical basis of statistical mechanics. In consequence, thermodynamic concepts such as entropy, partition function and canonical probability can be introduced in a natural way to stochastic equilibrium economics. We focus here on the economic analogs of two fundamental principles, the Second Law of Thermodynamics and the Gibbs Conditioning Principle. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_00634 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Thermodynamic Formalism of Stochastic Equilibrium Economics Nummelin, Esa Arjas, Elja Probability 60F10, 82Bxx, 91Bxx In economics, construction of perfect models in a way that would be comparable to the standards customary in physical sciences is generally not feasible. In particular, the observed value for an economic equilibrium may deviate significantly from its model-based a priori expected value. Mathematically, the a posteriori observed equilibrium may then represent a large deviation in the sense that it falls outside the region of validity of the Central Limit Theorem. With this as the motivating starting point, we propose a new approach to the theory of stochastic economic equilibrium. Drawing on recent developments in probability theory, we argue for the relevance of the theory of large deviations in stochastic equilibrium economics. Thereby the formalism of stochastic equilibrium economics becomes analogous to that of classical statistical mechanics, as the theory of large deviations forms also the mathematical basis of statistical mechanics. In consequence, thermodynamic concepts such as entropy, partition function and canonical probability can be introduced in a natural way to stochastic equilibrium economics. We focus here on the economic analogs of two fundamental principles, the Second Law of Thermodynamics and the Gibbs Conditioning Principle. |
| title | Thermodynamic Formalism of Stochastic Equilibrium Economics |
| topic | Probability 60F10, 82Bxx, 91Bxx |
| url | https://arxiv.org/abs/2601.00634 |