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来源类型Working Paper
规范类型报告
DOI10.3386/w24466
来源IDWorking Paper 24466
Dancing with the Stars: Innovation Through Interactions
Ufuk Akcigit; Santiago Caicedo; Ernest Miguelez; Stefanie Stantcheva; Valerio Sterzi
发表日期2018-04-02
出版年2018
语种英语
摘要An inventor's own knowledge is a key input in the innovation process. This knowledge can be built by interacting with and learning from others. This paper uses a new large-scale panel dataset on European inventors matched to their employers and patents. We document key empirical facts on inventors' productivity over the life cycle, inventors' research teams, and interactions with other inventors. Among others, most patents are the result of collaborative work. Interactions with better inventors are very strongly correlated with higher subsequent productivity. These facts motivate the main ingredients of our new innovation-led endogenous growth model, in which innovations are produced by heterogeneous research teams of inventors using inventor knowledge. The evolution of an inventor's knowledge is explained through the lens of a diffusion model in which inventors can learn in two ways: By interacting with others at an endogenously chosen rate; and from an external, age-dependent source that captures alternative learning channels, such as learning-by-doing. Thus, our knowledge diffusion model nests inside the innovation-based endogenous growth model. We estimate the model, which fits the data very closely, and use it to perform several policy exercises, such as quantifying the large importance of interactions for growth, studying the effects of reducing interaction costs (e.g., through IT or infrastructure), and comparing the learning and innovation processes of different countries.
主题Public Economics ; Taxation ; Industrial Organization ; Market Structure and Firm Performance ; Development and Growth ; Innovation and R& ; D ; Growth and Productivity
URLhttps://www.nber.org/papers/w24466
来源智库National Bureau of Economic Research (United States)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/582140
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GB/T 7714
Ufuk Akcigit,Santiago Caicedo,Ernest Miguelez,et al. Dancing with the Stars: Innovation Through Interactions. 2018.
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