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Technological innovations are a major driver of economic development that depend on the exchange of knowledge and ideas among those with unique but complementary specialized knowledge and knowhow. However, measurement of specialized…

Social and Information Networks · Computer Science 2023-09-27 Sirui Wang , Michael Macy , Victor Nee

We study several models of growth driven by innovation and imitation by a continuum of firms, focusing on the interaction between the two. We first investigate a model on a technology ladder where innovation and imitation combine to…

Theoretical Economics · Economics 2020-08-27 Jess Benhabib , Éric Brunet , Mildred Hager

In this work we analyze how reputation-based interactions influence the emergence of innovations. To do so, we make use of a dynamic model that mimics the discovery process by which, at each time step, a pair of individuals meet and merge…

Physics and Society · Physics 2024-03-07 Pablo Gallarta-Sáenz , Hugo Pérez-Martínez , Jesús Gómez-Gardeñes

Technology convergence integrates distinct domains to create novel combinations, driving radical innovation that reshapes markets and industries. However, most approaches rely on pairwise networks that cannot capture multi-technology…

Physics and Society · Physics 2026-02-27 Yiwei Huang , Shuqi Xu , Shimin Cai , Linyuan Lü

Most social, technological and biological networks are embedded in a finite dimensional space, and the distance between two nodes influences the likelihood that they link to each other. Indeed, in social systems, the chance that two…

Physics and Society · Physics 2018-06-27 Paul Balister , Chaoming Song , Oliver Riordan , Bela Bollobas , Albert-Laszlo Barabasi

The development and application of models, which take the evolution of network dynamics into account are receiving increasing attention. We contribute to this field and focus on a profile likelihood approach to model time-stamped event data…

Applications · Statistics 2020-08-04 Verena Bauer , Dietmar Harhoff , Göran Kauermann

We study how artificial intelligence (AI) affects firms' incentives to pursue incremental versus radical knowledge recombinations. We develop a model of recombinant innovation embedded in a Schumpeterian quality-ladder framework, in which…

Theoretical Economics · Economics 2026-04-03 Emanuele Bazzichi , Massimo Riccaboni , Fulvio Castellacci

Scientists are frequently faced with the important decision to start or terminate a creative partnership. This process can be influenced by strategic motivations, as early career researchers are pursuers, whereas senior researchers are…

Physics and Society · Physics 2015-09-08 Alexander Michael Petersen

Characterizing the leadership in research is important to revealing the interaction pattern and organizational structure through research collaboration. This research defines the leadership role based on the corresponding author's…

Social and Information Networks · Computer Science 2019-12-25 He Chaocheng , Wu Jiang , Zhang Qingpeng

This paper examines the changing nature of knowledge-based innovation systems in light of the dynamic interconnections between the university, industry and government. Industries have to assess in what way and to what extent they decide to…

Physics and Society · Physics 2009-11-24 Loet Leydesdorff

We introduce a model for the emergence of innovations, in which cognitive processes are described as random walks on the network of links among ideas or concepts, and an innovation corresponds to the first visit of a node. The transition…

Physics and Society · Physics 2018-01-25 Iacopo Iacopini , Staša Milojević , Vito Latora

We study a model of innovation with a large number of firms that create new technologies by combining several discrete ideas. These ideas are created via private investment and spread between firms. Firms face a choice between secrecy,…

Theoretical Economics · Economics 2022-04-01 Krishna Dasaratha

We reconstruct the innovation dynamics of about two hundred thousand companies by following their patenting activity for about ten years. We define the technological portfolios of these companies as the set of the technological sectors…

Physics and Society · Physics 2021-10-06 Matteo Straccamore , Luciano Pietronero , Andrea Zaccaria

The model of scientific paradigms spreading throughout the community of agents with memory is analyzed using the master equation. The case of two competing ideas is considered for various networks of interactions, including agents placed at…

Physics and Society · Physics 2015-05-28 Paweł Kondratiuk , Grzegorz Siudem , Janusz A. Hołyst

Context: Research collaborations between software engineering industry and academia can provide significant benefits to both sides, including improved innovation capacity for industry, and real-world environment for motivating and…

Software Engineering · Computer Science 2022-04-26 Dusica Marijan , Arnaud Gotlieb

The past few centuries have witnessed a dramatic growth in scientific and technological knowledge. However, the nature of that growth - whether exponential or otherwise - remains controversial, perhaps partly due to the lack of quantitative…

Physics and Society · Physics 2024-09-16 Huquan Kang , Luoyi Fu , Russell J. Funk , Xinbing Wang , Jiaxin Ding , Shiyu Liang , Jianghao Wang , Lei Zhou , Chenghu Zhou

This paper outlines a framework for the study of innovation that treats discoveries as additions to evolving networks. As inventions enter they expand or limit the reach of the ideas they build on by influencing how successive discoveries…

Social and Information Networks · Computer Science 2012-12-17 Russell J. Funk , Jason Owen-Smith

Academic data sharing is a way for researchers to collaborate and thereby meet the needs of an increasingly complex research landscape. It enables researchers to verify results and to pursuit new research questions with "old" data. It is…

Digital Libraries · Computer Science 2015-03-03 Benedikt Fecher , Sascha Friesike , Marcel Hebing , Stephanie Linek , Armin Sauermann

Collaborative learning techniques have significantly advanced in recent years, enabling private model training across multiple organizations. Despite this opportunity, firms face a dilemma when considering data sharing with competitors --…

Machine Learning · Computer Science 2023-10-31 Nikita Tsoy , Nikola Konstantinov

An increased interdisciplinarity in science projects has been highlighted as crucial to tackle complex real-world challenges, but also as beneficial for the development of disciplines themselves. This paper introduces a parcimonious…

Physics and Society · Physics 2020-07-01 Juste Raimbault