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关于知识与生产函数的思考
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作者 张津男 《天津工业大学学报》 CAS 2003年第3期35-38,共4页
基于知识对经济增长起重要作用的认识,使用经济学标准模型,研究了生产函数的知识特性、技术特性及增长要素.这一研究启示我们,通过对人力资源的知识和健康投资可以有效促进中长期经济的平稳增长.
关键词 经济学标准模型 生产函数 知识特性 技术特性 增长要素 经济增长
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INTERVAL TIME SERIES ANALYSIS WITH AN APPLICATION TO THE STERLING-DOLLAR EXCHANGE RATE 被引量:4
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作者 Ai HAN Yongmiao HONG +1 位作者 K. K. LAI Shouyang WANG 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2008年第4期558-573,共16页
Traditional econometrics has long employed "points" to measure time series data. In real life situations, however, it suffers the loss of volatility information, since many variables are bounded by intervals in a gi... Traditional econometrics has long employed "points" to measure time series data. In real life situations, however, it suffers the loss of volatility information, since many variables are bounded by intervals in a given period. To address this issue, this paper provides a new methodology for interval time series analysis. The concept of "interval stochastic process" is formally defined as a counterpart of "stochastic process" in point-based econometrics. The authors introduce the concepts of interval stationarity, interval statistics (including interval mean, interval variance, etc.) and propose an interval linear model to investigate the dynamic relationships between interval processes. A new interval-based optimization approach for estimation is proposed, and corresponding evaluation criteria are derived. To demonstrate that the new interval method provides valid results, an empirical example on the sterling-dollar exchange rate is presented. 展开更多
关键词 Evaluation criteria interval-based estimation interval linear model interval statistics interval stationarity interval stochastic process.
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