求翻译：在西方经典的消费理论中，不管是凯恩斯的绝对收入假说，还是杜森贝里的相对收入假说，或者是莫迪利安尼的生命周期假说，以及弗里德曼的持久收入假说，每种消费需求理论都强调收入对消费的决定性作用。但是，这些学者基于传统的消费理论（比如持久收入假说、生命周期假说等）考察收入对消费的影响，并没有把资产因素纳入考虑。事实上，资产因素对于农户家庭消费的选择是存在重要影响的（Levin，1998）。是什么意思？

Western classical consumer theory, whether Keynesian absolute income hypothesis, Duesenberry's relative income hypothesis, or the life cycle hypothesis of Modigliani and Milton Friedman's permanent income hypothesis, each consumer demand theory emphasizes the decisive role of the income of the consu

In the western classic consumer theory, and whether it is the Cairns of the absolute income hypothesis, or Duma, Addis Ababa, the relative income hypothesis, or a country, the life-cycle hypothesis, as well as Friedman's lasting income hypothesis, each of these consumer demand theory is to emphasize

In the classical theory of consumption in the West, regardless of the absolute income hypothesis of Keynes, is also the relative income hypothesis of James s. Duesenberry, or life-cycle hypothesis of Modigliani-Miller theorem, and Milton Friedman's Permanent income hypothesis, every kind of consumer