If taking use of price to measure quality growth directly, there will be some errors. Fortunately, the quality Engel curve gives us a useful tool and good viewpoint to estimate the quality growth.
如果直接用价格来衡量品质升级就会有所偏差,而品质恩格尔曲率则提供了一个良好的研究工具和研究视角。
Practical Rational "is an expression on thinking mode of the value measure of pre-Qin Confucianism, which gives priority to Good over True."
“实践理性”是先秦儒学以善统真价值尺度在思维方式上的体现。
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