持久收入假说

预期在消费函数理论方面具有重要地位，从凯恩斯的绝对收入假说到弗里德曼的持久收入假说到预防性储蓄理论，所有的这些消费函数理论都是基于不同的预期模式而展开的。

From Keynesian 's absolute income hypothesis to Friedman 's permanent income hypothesis to precautionary saving theory , all of those consumer 's theories based on different consumer expectation pattern .

不同时期的经济学家从不同方面对消费进行了深入的研究，创立了各种学说如绝对收入假说、相对收入假说、持久收入假说、生命周期假说等等。

Economists from different periods in different aspects of consumer research conducted in-depth , the creation of a variety of doctrines such as the absolute income hypothesis , relative income hypothesis , permanent income hypothesis , life cycle hypothesis and so on .

持久收入假说是弗里德曼提出的著名假说，它是否适应中国的实际是一个值得研究的问题。

The lasting income hypothesis is the famous hypothesis Friedman proposed , whether it does adapt China is the question actually which is worth studying .

构筑农村社会保障的理论基础应由生命周期假说、持久收入假说、理性预期的消费函数理论、不确定经济理论以及需求层次理论等组成。

The theory base of rural social safeguard is composed of hypothesis of lifecycle , hypothesis of sustained income , theory of consume function , theory of unsure economy and theory of demand arrangement .

对于居民收入消费的定量研究即消费函数的研究，主要传统理论有凯恩斯的局对收入假说、杜森贝里的相对收入假说、莫迪利安尼的生命周期假说和弗里德曼的持久收入假说。

About the relationship of consumption and income , there are four core theories : Keynes ' Absolute Income Hypothesis , Duesenberry 's Relative Income Hypothesis , Friedman'Permanent Income Hypothesis and Modigliani 's Life-cycle Hypothesis .

生命周期-持久收入假说是经济学在研究消费行为中最基本的理论模型，后来发展起来的预防性储蓄假说、流动性约束假说等不确定性消费理论可以说均未根本改变这一框架。

Life Cycle-Permanent Income Hypothesis is the most basic theoretical model in the study of consumer behavior in economics , and later developed uncertainty consumption theory such as precautionary savings hypothesis and liquidity constraint hypothesis , have not changed this framework fundamentally .

而后追根溯源，阐释了消费信贷的经济学理论基础，即时间偏好理论、生命周期假说和持久性收入假说。

Then , tracing to its source , explains the economics theoretical foundation of the consumer credit , that is , time-favor theory , life-cycle hypothesis and permanent-income theory .