状态价格密度过程 state price density process
Assuming the agent’s consumption must exceed the habit formation, under the restriction of no bankruptcy, get the conclusion that the optimal policy is influenced by the agent’s history consumption, real disposable income and state price density ( ).
在假定个人消费必须大于消费习惯,即当个人消费小于消费习惯时,效用为负无穷的条件及不破产的约束条件下,分析得到最优政策受到个人历史消费、个人实际可支配收入、状态价格密度等的影响。
参考来源 - 存在税收的最优消费和投资组合研究·2,447,543篇论文数据，部分数据来源于NoteExpress
他们收集的数据涉及到14种变量，包括人类身高，黄金价格，树木年轮密度，以及欧洲工业化之前公元1500年到1800年之间的温度变化。
They collected data on 14 variables, such as human height, the price of gold, tree ring width, and temperature from pre-industrial Europe between the years 1500 and 1800.
货币发行密度偏向于对抗与商品和服务相关的消费者价格指数。
The money circulation can be biased towards or against CPI related goods and services.
Friedman的服务价格将面积，频率，甚至“人口密度”都计算在内。
Friedman's pricing formula takes into account square footage, cleaning frequency, and "population density."
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