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首页> 外文期刊>Journal of Economic Dynamics and Control >Hierarchical growth: Basic and applied research
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Hierarchical growth: Basic and applied research

机译：分层增长：基础研究和应用研究

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We develop a model that incorporates salient features of growth in modern economies. We combine the expanding-variety growth model through horizontal innovations with a hierarchy of basic and applied research. The former extends the knowledge base, while the latter commercializes it. Two-way spillovers reinforce the productivity of research in each sector. We establish the existence of balanced growth paths. Along such paths the stock of ideas and the stock of commercialized blueprints for intermediate goods grow with the same rate. Basic research is a necessary and sufficient condition for economic growth. We show that there can be two different facets of growth in the economy. First, growth may be entirely shaped by investments in basic research if applied research operates at the knowledge frontier. Second, long-run growth may be shaped by both basic and applied research and growth can be further stimulated by research subsidies. We illustrate different types of growth processes by examples and polar cases when only upward or downward spillovers between basic and applied research are present. (C) 2018 Elsevier B.V. All rights reserved.
机译：我们开发的模型融合了现代经济增长的显着特征。我们将通过横向创新与基础研究和应用研究的层次结构相结合的扩展品种增长模型。前者扩展了知识库，而后者则将其商业化。双向溢出提高了每个部门的研究效率。我们建立平衡增长路径的存在。沿着这样的路径，中间产品的思想库和商业化蓝图库以相同的速度增长。基础研究是经济增长的必要和充分条件。我们表明，经济增长可以有两个不同方面。首先，如果应用研究处于知识前沿，则增长可能完全由基础研究投资决定。其次，基础研究和应用研究都可能影响长期增长，研究补贴可以进一步刺激增长。当仅在基础研究和应用研究之间存在向上或向下的溢出时，我们将通过示例和极端案例说明不同类型的增长过程。 （C）2018 Elsevier B.V.保留所有权利。

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