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固定消费/收入模型下的M-V最优投资组合选择
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作者 刘晓娟 刘三阳 《应用数学》 CSCD 北大核心 2005年第S1期195-199,共5页
本文研究了一个有固定消费/收入现金流的连续时间的最优投资组合选择问题.把投资者的财富用分离的思想来考虑.将投资者的财富分成两部分,消费/收入部分和投资部分,从而将原问题转化为不含消费/收入现金流的M-V投资组合选择的辅助问题.... 本文研究了一个有固定消费/收入现金流的连续时间的最优投资组合选择问题.把投资者的财富用分离的思想来考虑.将投资者的财富分成两部分,消费/收入部分和投资部分,从而将原问题转化为不含消费/收入现金流的M-V投资组合选择的辅助问题.证明了辅助问题的最优投资策略就是原问题的最优策略,得到了原问题的最优策略及有效前沿并分析了消费/收入对投资的影响. 展开更多
关键词 投资组合选择 M-V模型 固定消费/收入 有效前沿
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Accurate Understanding of China's Income, Consumption and Investment
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作者 许宪春 Hao Jinchuan 《Social Sciences in China》 2014年第1期21-43,共23页
This study elaborates on the differences between resident disposable income in the flow of fimds table and in the household survey; between household consumption in expenditure- based GDP and in the household survey; ... This study elaborates on the differences between resident disposable income in the flow of fimds table and in the household survey; between household consumption in expenditure- based GDP and in the household survey; and between gross fixed capital formation in expenditure-based GDP and total fixed asset investment in the whole country as shown in investment statistics, from the point of view of their basic concepts and purposes, scope of specifications, data sources, calculation methods and data presentation. We show that the household survey somewhat underestimates household income and consumption, while investment statistics somewhat overestimate total investment in fixed assets. This does not, however, directly affect the accurate understanding of such major economic structures as the structure of the distribution of Chinese nationals' disposable income among households, enterprises and government, the structure of final demand, etc. 展开更多
关键词 household disposable income household consumption gross fixed capitalformation fixed asset investment
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