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资本价值与宏观投资率:应用包含调整成本的拉姆齐模型的研究
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作者 黄晓婷 刘仁和 颜悦 《产经评论》 CSSCI 北大核心 2022年第5期125-141,共17页
学术界对中国宏观投资率是否过高存在争议。应用包含调整成本的拉姆齐模型,从理论上分析资本价值影响宏观投资率的机制:中低收入经济体人均资本存量相对较低,资本边际产出较高,由此推断资本边际价值较高,从而推高了宏观投资率;随着该经... 学术界对中国宏观投资率是否过高存在争议。应用包含调整成本的拉姆齐模型,从理论上分析资本价值影响宏观投资率的机制:中低收入经济体人均资本存量相对较低,资本边际产出较高,由此推断资本边际价值较高,从而推高了宏观投资率;随着该经济体人均资本存量的提高,其资本边际价值会逐渐降低至发达经济体水平,在此收敛过程中宏观投资率也会逐渐下降。在企业价值最大化时,资本边际价值等于购买价格与边际调整成本之和,其中边际调整成本是资本边际价值的关键组成部分。逆向积分数值模拟测算结果表明,2000—2019年,中国考虑调整成本的福利最大化宏观投资率比忽略调整成本时平均高8.78个百分点,两者在统计上存在显著性差异,说明调整成本对宏观投资率具有显著影响,即高资本边际价值引致高宏观投资率。进一步分析发现,在考虑调整成本的情况下,中国福利最大化宏观投资率高于实际的宏观投资率,说明中国宏观投资率未必过高。 展开更多
关键词 调整成本 资本价值 宏观投资率 拉姆齐模型
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Japanese Stock Price Determination: What Is Important?
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作者 Yutaka Kurihara Eij i Nezu 《Journal of Modern Accounting and Auditing》 2011年第12期1386-1394,共9页
This paper analyzes empirically the relationship between recent Japanese stock prices and macroeconomic variables For the Japanese stock prices, the level and rate of that are both used for analysis. The results show ... This paper analyzes empirically the relationship between recent Japanese stock prices and macroeconomic variables For the Japanese stock prices, the level and rate of that are both used for analysis. The results show that exchange rates have not been a significant determinant of the "level" of Japanese stock prices, but on the other hand, have been a significant determinant of its "rate". The "rate" has been used to analyze determinants of the stock prices. However, it is dangerous to use it without taking into account its level. Many stock traders usually look at the level. Interest rates, especially the domestic interest rate, have not impacted the Japanese stock prices. Japanese interest rates have been quite low as the Bank of Japan has implemented quantitative easing instead of interest-based policies. Recently, the U.S. stock prices, particularly in the first few days after a change, have been significantly influencing the Japanese stock prices. 展开更多
关键词 exchange rate interest rate JAPAN stock price U.S.
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