Abstract
Cooperation plays an irreplaceable role in knowledge creation and innovation. Innovation cooperation among enterprises forms a complex network of enterprise R&D. Given the intertemporal R&D network evolution and the complex influence between stock knowledge, this study constructs a discrete indefinitely intertemporal evolution model of an enterprise R&D cooperation network. The model consists of two main parts, that is, first is how technological innovation depends on the structure of enterprise R&D cooperation network and the second is how the enterprise R&D cooperation network evolves according to the level of technological innovation. This work uses calculation experiment and simulation method to study the evolution characteristics of enterprise R&D network in different initial R&D network topology structures, such as Erdos–Renyi random graph, WS small-world network, and BA scale-free network, and determine how previous history, attractiveness, and reputation for enterprise influence the steady-state characteristics of R&D network evolution. Results show that (1) when the R&D network evolution reaches a stable state, the joint distribution of stock knowledge and the number of cooperative enterprises do not affect the initial R&D network topology. However, the evolution path of the enterprise R&D network is complicated by the initial R&D network topology. (2) Among the three factors through which enterprises make decisions, if the enterprise values previous history highly, then the stock knowledge in a steady state will dissipate; if the enterprise values reputation highly, then the stock knowledge in a steady state will decrease but always above a threshold; if the enterprise values attractiveness highly, then the stock knowledge in a steady state can rise to a high level. These conclusions have important theoretical values and practical significance for the promotion of enterprise scientific and technological innovation and cooperative research.
Highlights
Technological progress is one of the main drivers of economic growth in developing and developed countries [1, 2]
We study the intertemporal evolution of enterprise R&D cooperative network under various types of initial R&D cooperative network structures. e network topology used in the study is as follows: (1) Random graph: random graph plays a fundamental role in complex network theory. e network generated by the random graph algorithm is usually uniform and can represent the network evolution well under the condition of homogeneous nodes
We have constructed the relationship between innovation research achievement and R&D network structure and described how companies create an R&D network in the period on the basis of the attractiveness of other enterprises, previous history, reputation, and other factors for R&D cooperation decision-making. at is, we have described the intertemporal evolution mechanism of R&D cooperative network
Summary
Technological progress is one of the main drivers of economic growth in developing and developed countries [1, 2]. Erefore, on the basis of existing research and complex network theory, this study conducts a theoretical analysis of the complex relationship between the interaction of enterprise innovation R&D performance and R&D network and constructs a discrete time intertemporal evolution model of the R&D network. On the basis of the aforementioned research, this study constructs an intertemporal evolution model of R&D cooperative networks with indefinite time. We have constructed the relationship between innovation research achievement and R&D network structure and described how companies create an R&D network in the period on the basis of the attractiveness of other enterprises, previous history, reputation, and other factors for R&D cooperation decision-making. We have constructed the relationship between innovation research achievement and R&D network structure and described how companies create an R&D network in the period on the basis of the attractiveness of other enterprises, previous history, reputation, and other factors for R&D cooperation decision-making. at is, we have described the intertemporal evolution mechanism of R&D cooperative network
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