Long Waves and Short Waves: Growth Through Intensive and Extensive Search
长波与短波:通过集约与广延搜索实现增长AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要主要构建创新搜索与增长理论,虽推导时间序列性质,但未明确时间序列计量方法或其他给定细分研究框架。
长波与短波:通过集约与广延搜索实现增长AI 解读 ↓
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This paper endogenizes the frequency of major discoveries and the extent of their refinement. Four axioms deliver a one-parameter family of beliefs that guide exploratory effort. Such effort trades off the prospect of major new discovery against the chance of successfully refining discoveries made in the past. The only other parameter is the cost of making new discoveries relative to the cost of refining old ones. The paper derives time-series properties of inventive activity as they relate to the two parameters, and it discusses several specific inventions and their subsequent refinement. Copyright 1990 by The Econometric Society.