Friday, December 13, 2013

The Science of Demand (19) - Unofficial Translation of Steven Cheung's 经济解释 - 科学说需求


As aforementioned, competition criteria determine the economic operations of a society. But on this theme of “criteria”, there are both economic analyses and subjective, moral issues which bear no relationship to objective theoretical analysis. These two have to be clearly differentiated.

We know that under different criteria, winners and losers belong to different people. Therefore, some people prefer a certain criterion while others prefer another one. Such behavior falls into the sphere of economics. For instance, in school examination, some students prefer essay questions to let them answer liberally, while others prefer multiple choice questions believing their chances of winning would then be higher. All behavior about choices falls into the realm of economic analysis.

Which criterion is good, or beneficial to social welfare, is a question of moral or value judgment unrelated to objective analysis. For instance, as aforementioned, since market price induces increased production, using it as a competition criterion will not cause any wastage, while all other criteria must to a certain degree lead to wastage. I did not, however, say increased production is good or wastage is bad. Whether the criterion is good or bad can only be determined by individual value judgment, or only God knows.

People’s communes in former mainland China led to hard times of the people. The reason why is a question of economic analysis. But whether having hard times is good or bad is subjective judgment. Economics can explain human behavior, can explain under what constraints people would suffer hunger and cold, yet it cannot determine whether it is good or bad. “Cannot determine” here refers only to economics but not economists. Let’s not forget economists are only human, thus have their own value judgments. If I say suffering from hunger and cold is a bad thing, is no good, I am expressing my subjective view from a human’s standpoint which is not based on objective economic analysis. Certainly, I have every right to hold such a subjective view since I have the right of a human, though no training in economics is needed for the possession of this right.

I can express my value judgment. Other people can likewise do so. Nevertheless, only God knows whose value judgment is more correct or more commendable. The expression of value judgment does not require analytical training. You may like blue color while I prefer red. Who can make a convincing judgment on which is more preferable? You may say government providing assistance on education is a good thing while I believe it to be bad. No conclusion on good or bad can be drawn even if we debate for years, since no scientific analysis can reach an objective consensus on good or bad, like or dislike.

If I say suffering from hunger and cold is no good, is a bad thing, most people would agree. This is only due to most (may even be all) people not preferring themselves suffering from hunger and cold. Everyone agrees because the same value judgment is shared rather than because of objective analysis. Economics can explain why people suffer from hunger and cold, explain what effects governmental assistance have on education, but cannot make judgment on the issue of good or bad.

As aforementioned, economists are only human who have their own value judgments. However, when examining an issue, they might intentionally or unintentionally state whether certain outcome is good or bad. Though there is nothing wrong when subjective preferences are associated with objective analysis, it may sometimes confuse the audience. Of essence is that people undertaking economic analysis have to clearly distinguish subjective matter from objective one, and never let subjective judgment affect objective analysis. If an economist considers governmental assistance on education is good (subjective judgment), and then distort his analysis intentionally or unintentionally to fall outside logical bounds, this is what science forbids.

At times, some economist has not stated whether something is good or bad, yet others interpret that he has done so. For instance, when I say using market price as a criterion can increase production, many readers might interpret that I mean using market price as a criterion is good. Yet not that have I said. Readers believe I have said so because they themselves think increasing production is good. Certainly, to avoid monotony when writing newspaper articles, I would occasionally express my personal view on good or bad. The focus of this book, however, is objective economic explanation.

Many readers consider that I embrace the market and have a particular penchant for it. True is my belief in the capabilities of the market, though I also know very well the market’s incapabilities. My personal value judgment is against the market as well as communism, since under both of these it is hard for me to stand out above the rest. My personal preference is using examination results to determine the allocation of wealth in the society, as I could excel under whatever examination criteria. Unfortunately, nowhere in the world today uses examination results to allocate wealth or pretty women. (The national “zhuangyuan” examination in ancient China indeed has the effect of wealth allocation, yet who knows if I could be at the very top!)


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