Adopted the methods of documentary investigation, based on the knowledge of consumption time of economics and consumption action, this study explored the effects of sport consumption.

采用文献资料法，运用经济学和消费行为学中有关消费时间的理论知识对体育消费品的效用进行研究。

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Economists' researches on knowledge are based on the strict paradigm of Economics and are developing with the evolution of it.

经济学家们对于知识的研究是依托于严谨的经济学范式之中的，同时也是随着经济学范式的演进而不断深化的。

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Casey considers it important for investors to have general, broad-based knowledge rather than a sole focus on, say, just economics.

FORBES: Doug Casey: Government Policies Distort Markets; 'Printing More Money' To Mean Inflation