Consumer psychology is a composing part of economics of consumption.

研究消费心理，对于消费者，可提高消费效益；

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Economics, as we know it, is the social science concerned with the production, distribution, exchange, and consumption of goods and services.

正如大家所知道的，经济学是与生产、分配、交换和消费物品和服务相关的社会科学。

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The branch of economics that deals with single units of production and consumption.

经济学的分支，研究生产和消费的单个单位。

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Again if the goal is to reduce gasoline consumption then the economics of diesel make more sense than the economics of alcohol.

FORBES: Breakthrough in Biofuels? Maybe.

Following him, Abhijit Banerjee, Professor of Economics at MIT, introduced a study that found that access to microcredit actually caused a reduction in consumption among those with entrepreneurial aspirations.

FORBES: Microfinance Impact and Innovation Conference 2010, Day 1