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Essential to each other, growth and exploration are jointly observed in populations, be it alive such as animals and cells or inanimate such as goods and money. But their ability to move, crucial to cope with uncertainty and optimize…

统计力学 · 物理学 2020-10-06 Thomas Gueudré , David Martin

A bipartite producer-consumer network is constructed to describe the industrial structure. The edges from consumer to producer represent the choices of the consumer for the final products and the degree of producer can represent its market…

物理与社会 · 物理学 2009-11-11 Wang Dahui , Zhou Li , Di Zengru

Large language models (LLMs) are playing a pivotal role in deploying strategic use cases across a range of organizations, from large pan-continental companies to emerging startups. The issues and challenges involved in the successful…

计算机与社会 · 计算机科学 2024-12-03 Ashok Urlana , Charaka Vinayak Kumar , Bala Mallikarjunarao Garlapati , Ajeet Kumar Singh , Rahul Mishra

Gradually Truncated Log-normal distribution - Size distribution of firms Abstract Many natural and economical phenomena are described through power law or log- normal distributions. In these cases, probability decreases very slowly with…

统计力学 · 物理学 2008-12-02 Hari M. Gupta , Jose R. Campanha

Although companies are exhorted to provide more information to the financial community, it is evident that they choose different paths based upon their strategic emphasis and competitive environments. Our investigation explores the…

综合金融 · 定量金融 2020-08-11 Rajiv Kashyap , Mohamed Menisy , Peter Caiazzo , Jim Samuel

To examine the relation between profitability and business models (BMs) across bank sizes, the paper proposes a research strategy based on machine learning techniques. This strategy allows for analyzing whether size and profit performance…

综合经济学 · 经济学 2024-01-24 F. Bolivar , M. A. Duran , A. Lozano-Vivas

When assets are correlated, benefits of investment diversification are reduced. To measure the influence of correlations on investment performance, a new quantity - the effective portfolio size - is proposed and investigated in both…

投资组合管理 · 定量金融 2009-04-16 Matus Medo , Chi Ho Yeung , Yi-Cheng Zhang

The major perspective of this paper is to provide more evidence into the empirical determinants of capital structure adjustment in different macroeconomics states by focusing and discussing the relative importance of firm-specific and…

经济学 · 定量金融 2018-01-23 Andreas Kaloudis , Dimitrios Tsolis

There is nowadays considerable interest on ways to quantify the dynamics of research activities, in part due to recent changes in research and development (R&D) funding. Here, we seek to quantify and analyze university research activities,…

Firm clusters are seen as having a positive effect on innovations, what can be interpreted as economies of scale or knowledge spillovers. The processes underlying the success of these clusters remain difficult to isolate. We propose in this…

多智能体系统 · 计算机科学 2022-09-01 Juste Raimbault

A microscopic model of aggregation and fragmentation is introduced to investigate the size distribution of businesses. In the model, businesses are constrained to comply with the market price, as expected by the customers, while customers…

适应与自组织系统 · 物理学 2009-10-31 R. D'Hulst , G. J. Rodgers

Understanding how size influences the internal characteristics of a system is a crucial concern across various fields. Concepts like scale invariance, universalities, and fractals are fundamental to this inquiry and find application in…

物理与社会 · 物理学 2024-04-04 Fabiano L. Ribeiro , Vinicius M. Netto

Finding a good compromise between the exploitation of known resources and the exploration of unknown, but potentially more profitable choices, is a general problem, which arises in many different scientific disciplines. We propose a…

无序系统与神经网络 · 物理学 2016-10-28 Thomas Gueudré , Alexander Dobrinevski , Jean-Philippe Bouchaud

Financial decisions are the decisions that managers take with regard to the finances of a company. This article aims to examine and explain the effect of interest rates on economic and financial decisions such as investment, funding, and…

统计金融 · 定量金融 2023-11-28 Efendi , Rahmadani Srifitri , Septriza Berliana

A new model that combines economic growth rate fluctuations at the microscopic and macroscopic level is presented. At the microscopic level, firms are growing at different rates while also being exposed to idiosyncratic shocks at the firm…

综合金融 · 定量金融 2018-02-07 Sandro Claudio Lera , Didier Sornette

Growth of business firms or companies has been a subject of intensive research over a century. However, there still remains controversy about the basic mechanisms of their growth. Inspired by previous work on scaling laws in other systems,…

物理与社会 · 物理学 2018-03-14 Yuh Kobayashi , Hideki Takayasu , Shlomo Havlin , Misako Takayasu

Motivated by the prevalence of prediction problems in the economy, we study markets in which firms sell models to a consumer to help improve their prediction. Firms decide whether to enter, choose models to train on their data, and set…

理论经济学 · 经济学 2025-10-10 Krishna Dasaratha , Juan Ortner , Chengyang Zhu

We have shown, in a series of articles, that a classical description of a large number of economic agents can be replaced by a statistical fields formalism. To better understand the accumulation and allocation of capital among different…

综合金融 · 定量金融 2024-01-15 Pierre Gosselin , Aïleen Lotz

Scientific and technological progress is largely driven by firms in many domains, including artificial intelligence and vaccine development. However, we do not know yet whether the success of firms' research activities exhibits dynamic…

The quality of governance of institutions, corporations and countries depends on the ability of efficient decision making within the respective boards or cabinets. Opinion formation processes within groups are size dependent. It is often…

物理与社会 · 物理学 2015-05-13 Peter Klimek , Rudolf Hanel , Stefan Thurner