Diffusion Lags and Aggregate Fluctuations. New Name: Product Innovation and the Business Cycle.
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This paper studies how random product innovations affect the time series properties of aggregates. It posits that recurring inventions of new intermediate goods differ in quality, and that their usage spreads gradually through the economy. It examines how fluctuations in per capita GNP are affected
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美国国家经济研究局创建时间：
1993-09-01
